GET /api/v0/nonlocalizedeventsequence/?format=api&offset=800&ordering=-message
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 11122,
    "next": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=900&ordering=-message",
    "previous": "https://hermes.lco.global/api/v0/nonlocalizedeventsequence/?format=api&limit=100&offset=700&ordering=-message",
    "results": [
        {
            "id": 801,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1465,
                "topic": "igwn.gwalert",
                "uuid": "c7a8d790-9daf-445a-955a-c03e535d6eca",
                "title": "S230723y - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723y/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723y/view/"
                    },
                    "event": {
                        "far": 1.225447e-05,
                        "time": "2023-07-23T08:27:21.187Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 372.0169082398498,
                        "area_90": 1448.4110082231714,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.08383160055375334,
                            "HasMassGap": 0.20007763934464698,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "599cb0e40274262d2d49e912457b417b",
                        "classification": {
                            "BBH": 0.040521787,
                            "BNS": 0.0,
                            "NSBH": 5.0854e-05,
                            "Terrestrial": 0.959427359
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-23T08:32:26Z",
                    "superevent_id": "S230723y",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-23T08:32:27.787403Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-23T08:32:27.787422Z",
                "modified": "2023-07-23T08:32:27.793819Z"
            }
        },
        {
            "id": 802,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1467,
                "topic": "igwn.gwalert",
                "uuid": "2d931d41-148e-4659-8724-be8dba85bc14",
                "title": "S230723z - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723z/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723z/view/"
                    },
                    "event": {
                        "far": 1.289863575948402e-06,
                        "time": "2023-07-23T08:48:20.433Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 840.9722325015892,
                        "area_90": 3957.2695371706527,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.02726042922594647,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "f16584dc9df45ecacd990b2c6cd8906a",
                        "classification": {
                            "BBH": 0.5059307968593705,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.4940692031406295
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-23T08:48:43Z",
                    "superevent_id": "S230723z",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-23T08:48:44.413561Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-23T08:48:44.413594Z",
                "modified": "2023-07-23T08:48:44.420394Z"
            }
        },
        {
            "id": 803,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1468,
                "topic": "igwn.gwalert",
                "uuid": "43393d93-5dfb-48cf-981c-cb183fd87d7b",
                "title": "S230723z - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723z/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723z/view/"
                    },
                    "event": {
                        "far": 1.289863575948402e-06,
                        "time": "2023-07-23T08:48:20.433Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 840.9722325015892,
                        "area_90": 3957.2695371706527,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.02726042922594647,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "f16584dc9df45ecacd990b2c6cd8906a",
                        "classification": {
                            "BBH": 0.5059307968593705,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.4940692031406295
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-23T08:53:17Z",
                    "superevent_id": "S230723z",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-23T08:53:19.329745Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-23T08:53:19.329783Z",
                "modified": "2023-07-23T08:53:19.336650Z"
            }
        },
        {
            "id": 804,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1470,
                "topic": "igwn.gwalert",
                "uuid": "81ef9213-92b3-4e90-900c-8e2465b2242b",
                "title": "S230723ac - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723ac/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723ac/view/"
                    },
                    "event": {
                        "far": 5.610806761080469e-10,
                        "time": "2023-07-23T10:18:34.443Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 278.96022532706166,
                        "area_90": 1253.065412300272,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "b6cf6f12923623b4145bf251ef660c9d",
                        "classification": {
                            "BBH": 0.9993919764045894,
                            "BNS": 9.553628189490015e-22,
                            "NSBH": 6.256658264435924e-20,
                            "Terrestrial": 0.0006080235954105673
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-23T10:19:00Z",
                    "superevent_id": "S230723ac",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-23T10:19:01.449583Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-23T10:19:01.449604Z",
                "modified": "2023-07-23T10:19:01.457478Z"
            }
        },
        {
            "id": 805,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1471,
                "topic": "igwn.gwalert",
                "uuid": "751de37e-7af8-4be4-8b41-d7d55dc0bfa0",
                "title": "S230723ac - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723ac/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723ac/view/"
                    },
                    "event": {
                        "far": 5.330244e-08,
                        "time": "2023-07-23T10:18:34.451Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 290.39560124306377,
                        "area_90": 1281.1817494148463,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "fdbee0ae0cabe6290f54bdec87713b11",
                        "classification": {
                            "BBH": 0.867174107,
                            "BNS": 0.0,
                            "NSBH": 1.6473e-05,
                            "Terrestrial": 0.132809417
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-23T10:23:38Z",
                    "superevent_id": "S230723ac",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-23T10:23:40.035580Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-23T10:23:40.035606Z",
                "modified": "2023-07-23T10:23:40.041746Z"
            }
        },
        {
            "id": 806,
            "sequence_number": 3,
            "sequence_type": "INITIAL",
            "message": {
                "id": 1473,
                "topic": "igwn.gwalert",
                "uuid": "fd4ee9c2-e007-4df3-82f0-8fd65baefd69",
                "title": "S230723ac - INITIAL",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723ac/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723ac/view/"
                    },
                    "event": {
                        "far": 5.330244e-08,
                        "time": "2023-07-23T10:18:34.451Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 290.39560124306377,
                        "area_90": 1281.1817494148463,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "fdbee0ae0cabe6290f54bdec87713b11",
                        "classification": {
                            "BBH": 0.867174107,
                            "BNS": 0.0,
                            "NSBH": 1.6473e-05,
                            "Terrestrial": 0.132809417
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "INITIAL",
                    "sequence_num": 3,
                    "time_created": "2023-07-23T11:42:23Z",
                    "superevent_id": "S230723ac",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-23T11:42:24.393553Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-23T11:42:24.393572Z",
                "modified": "2023-07-23T11:42:24.401301Z"
            }
        },
        {
            "id": 807,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1476,
                "topic": "igwn.gwalert",
                "uuid": "8ba46cfe-7c4d-47d3-b418-e92bea5a829e",
                "title": "S230723an - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723an/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723an/view/"
                    },
                    "event": {
                        "far": 2.093924181162491e-05,
                        "time": "2023-07-23T12:55:31.792Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1494.9918055323915,
                        "area_90": 5498.212669778355,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.04264138160689884,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "572d5ce1ef24bd88e1d4e55d6e5935cd",
                        "classification": {
                            "BBH": 0.09594988248750726,
                            "BNS": 9.133154449442092e-14,
                            "NSBH": 6.416585356406192e-12,
                            "Terrestrial": 0.9040501175059849
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-23T12:55:55Z",
                    "superevent_id": "S230723an",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-23T12:55:56.778837Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-23T12:55:56.778857Z",
                "modified": "2023-07-23T12:55:56.786484Z"
            }
        },
        {
            "id": 808,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1477,
                "topic": "igwn.gwalert",
                "uuid": "acefb7f9-b008-4550-9062-ef3f0d410083",
                "title": "S230723an - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723an/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723an/view/"
                    },
                    "event": {
                        "far": 1.0472116066745e-05,
                        "time": "2023-07-23T12:55:31.792Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1470.4424664099647,
                        "area_90": 5400.015313288648,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.012106583072100312,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "cd21647452a3e872bedca37fe027617c",
                        "classification": {
                            "BBH": 0.15640014832586227,
                            "BNS": 1.500662566622029e-13,
                            "NSBH": 1.021867415774092e-11,
                            "Terrestrial": 0.8435998516637689
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-23T13:00:31Z",
                    "superevent_id": "S230723an",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-23T13:00:32.484027Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-23T13:00:32.484057Z",
                "modified": "2023-07-23T13:00:32.490660Z"
            }
        },
        {
            "id": 809,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1482,
                "topic": "igwn.gwalert",
                "uuid": "aa003dd2-2c42-4a17-b744-6bb2a2e23a55",
                "title": "S230723ar - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723ar/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723ar/view/"
                    },
                    "event": {
                        "far": 1.800044810806867e-05,
                        "time": "2023-07-23T16:08:19.215Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1530.24213863126,
                        "area_90": 5055.9049187520695,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.5919246312357993,
                            "HasRemnant": 0.9621288863931656
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "2feacb5b03071f8bc6b7308cb0b63ae6",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.024869473647131265,
                            "NSBH": 0.06703519718257266,
                            "Terrestrial": 0.9080953291702961
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-23T16:08:43Z",
                    "superevent_id": "S230723ar",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-23T16:08:44.078343Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-23T16:08:44.078371Z",
                "modified": "2023-07-23T16:08:44.086670Z"
            }
        },
        {
            "id": 810,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1483,
                "topic": "igwn.gwalert",
                "uuid": "d9c7547b-6cf6-4ff6-b5cb-ae078faa14a1",
                "title": "S230723ar - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723ar/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723ar/view/"
                    },
                    "event": {
                        "far": 1.800044810806867e-05,
                        "time": "2023-07-23T16:08:19.215Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1530.24213863126,
                        "area_90": 5055.9049187520695,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.5919246312357993,
                            "HasRemnant": 0.9621288863931656
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "2feacb5b03071f8bc6b7308cb0b63ae6",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.024869473647131265,
                            "NSBH": 0.06703519718257266,
                            "Terrestrial": 0.9080953291702961
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-23T16:13:17Z",
                    "superevent_id": "S230723ar",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-23T16:13:18.600665Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-23T16:13:18.600686Z",
                "modified": "2023-07-23T16:13:18.606691Z"
            }
        },
        {
            "id": 811,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1485,
                "topic": "igwn.gwalert",
                "uuid": "d8de66ef-0daf-4b7f-92ec-17ada81ad348",
                "title": "S230723at - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723at/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723at/view/"
                    },
                    "event": {
                        "far": 4.38578e-06,
                        "time": "2023-07-23T16:46:58.170Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 17.6251665494345,
                        "area_90": 67.98278526210453,
                        "duration": 0.004976,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "089388a30fd50cf9ea6d1b78c026c1b1",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1863.904297
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-23T16:48:01Z",
                    "superevent_id": "S230723at",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-23T16:48:02.366196Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-23T16:48:02.366216Z",
                "modified": "2023-07-23T16:48:02.374656Z"
            }
        },
        {
            "id": 812,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1486,
                "topic": "igwn.gwalert",
                "uuid": "26938335-3939-4008-be3e-9d1a529518ac",
                "title": "S230723au - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723au/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723au/view/"
                    },
                    "event": {
                        "far": 3.51988e-06,
                        "time": "2023-07-23T16:48:54.485Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 831.1105321703583,
                        "area_90": 3333.044888544847,
                        "duration": 0.014271,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "dcda0d183d95923c76e7e82d6bcdde85",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 62.257744
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-23T16:51:09Z",
                    "superevent_id": "S230723au",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-23T16:51:10.772926Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-23T16:51:10.772954Z",
                "modified": "2023-07-23T16:51:10.778965Z"
            }
        },
        {
            "id": 813,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1487,
                "topic": "igwn.gwalert",
                "uuid": "3fff515d-1167-453e-a84c-b73b7db3ade3",
                "title": "S230723at - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723at/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723at/view/"
                    },
                    "event": {
                        "far": 4.38578e-06,
                        "time": "2023-07-23T16:46:58.170Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 17.6251665494345,
                        "area_90": 67.98278526210453,
                        "duration": 0.004976,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "089388a30fd50cf9ea6d1b78c026c1b1",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 1863.904297
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-23T16:52:34Z",
                    "superevent_id": "S230723at",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-23T16:52:35.916807Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-23T16:52:35.916826Z",
                "modified": "2023-07-23T16:52:35.922647Z"
            }
        },
        {
            "id": 814,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1488,
                "topic": "igwn.gwalert",
                "uuid": "ccab9d71-1cce-4c0d-975e-3ae0ef9e4efa",
                "title": "S230723au - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723au/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723au/view/"
                    },
                    "event": {
                        "far": 3.51988e-06,
                        "time": "2023-07-23T16:48:54.485Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 831.1105321703583,
                        "area_90": 3333.044888544847,
                        "duration": 0.014271,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "dcda0d183d95923c76e7e82d6bcdde85",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 62.257744
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-23T16:55:44Z",
                    "superevent_id": "S230723au",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-23T16:55:45.346999Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-23T16:55:45.347021Z",
                "modified": "2023-07-23T16:55:45.353087Z"
            }
        },
        {
            "id": 815,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1492,
                "topic": "igwn.gwalert",
                "uuid": "8ff85ddb-eec1-4c3d-af68-bdba30257818",
                "title": "S230723bl - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723bl/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723bl/view/"
                    },
                    "event": {
                        "far": 2.052898707916029e-05,
                        "time": "2023-07-23T21:00:29.832Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2851.0805127823346,
                        "area_90": 10121.881361246675,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.45994227994228,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "fe5dd9774c522d8d7a6ac867bcc626d4",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.10706172157086977,
                            "NSBH": 0.0,
                            "Terrestrial": 0.8929382784291302
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-23T21:00:54Z",
                    "superevent_id": "S230723bl",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-23T21:00:55.239880Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-23T21:00:55.239899Z",
                "modified": "2023-07-23T21:00:55.247472Z"
            }
        },
        {
            "id": 816,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1493,
                "topic": "igwn.gwalert",
                "uuid": "2c1ad998-2aac-42ea-b60f-e7ea1a9e63f0",
                "title": "S230723bl - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723bl/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723bl/view/"
                    },
                    "event": {
                        "far": 2.052898707916029e-05,
                        "time": "2023-07-23T21:00:29.832Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2851.0805127823346,
                        "area_90": 10121.881361246675,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.45994227994228,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "fe5dd9774c522d8d7a6ac867bcc626d4",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.10706172157086977,
                            "NSBH": 0.0,
                            "Terrestrial": 0.8929382784291302
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-23T21:05:29Z",
                    "superevent_id": "S230723bl",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-23T21:05:30.748573Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-23T21:05:30.748593Z",
                "modified": "2023-07-23T21:05:30.755120Z"
            }
        },
        {
            "id": 817,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1495,
                "topic": "igwn.gwalert",
                "uuid": "10493260-c90f-4c13-8b99-5343993e441e",
                "title": "S230723bm - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723bm/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723bm/view/"
                    },
                    "event": {
                        "far": 1.39516e-05,
                        "time": "2023-07-23T21:18:22.984Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1192.6362698450682,
                        "area_90": 5075.838142825835,
                        "duration": 0.018885,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9d0789c3e07d1392073e177ff9160e97",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 31.524521
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-23T21:21:11Z",
                    "superevent_id": "S230723bm",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-23T21:21:13.464053Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-23T21:21:13.464081Z",
                "modified": "2023-07-23T21:21:13.469985Z"
            }
        },
        {
            "id": 818,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1496,
                "topic": "igwn.gwalert",
                "uuid": "cd904720-dad5-436a-be98-939ea5ce7d11",
                "title": "S230723bm - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723bm/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723bm/view/"
                    },
                    "event": {
                        "far": 1.39516e-05,
                        "time": "2023-07-23T21:18:22.984Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1192.6362698450682,
                        "area_90": 5075.838142825835,
                        "duration": 0.018885,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9d0789c3e07d1392073e177ff9160e97",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 31.524521
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-23T21:25:47Z",
                    "superevent_id": "S230723bm",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-23T21:25:48.928767Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-23T21:25:48.928788Z",
                "modified": "2023-07-23T21:25:48.934618Z"
            }
        },
        {
            "id": 819,
            "sequence_number": 4,
            "sequence_type": "UPDATE",
            "message": {
                "id": 1501,
                "topic": "igwn.gwalert",
                "uuid": "a710fd43-4b64-49ef-a4fe-082995643cef",
                "title": "S230723ac - UPDATE",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230723ac/files/bayestar.multiorder.fits,2",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230723ac/view/"
                    },
                    "event": {
                        "far": 5.330244e-08,
                        "time": "2023-07-23T10:18:34.451Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 231.64504607828204,
                        "area_90": 1116.8900183647604,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0017307692307692308,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "8301d729ea3eae54c5c946f7aad87725",
                        "classification": {
                            "BBH": 0.867174107,
                            "BNS": 0.0,
                            "NSBH": 1.6473e-05,
                            "Terrestrial": 0.132809417
                        },
                        "skymap_version": 2,
                        "central_frequency": null
                    },
                    "alert_type": "UPDATE",
                    "sequence_num": 4,
                    "time_created": "2023-07-24T01:40:26Z",
                    "superevent_id": "S230723ac",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-24T01:40:27.085976Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-24T01:40:27.085998Z",
                "modified": "2023-07-24T01:40:27.092223Z"
            }
        },
        {
            "id": 820,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1504,
                "topic": "igwn.gwalert",
                "uuid": "947df221-cdbf-4d8e-87b7-ddc0c326c3fe",
                "title": "S230724d - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230724d/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230724d/view/"
                    },
                    "event": {
                        "far": 2.238295475837609e-05,
                        "time": "2023-07-24T03:25:50.314Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 654.2293964421046,
                        "area_90": 2333.236333687044,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "6428d86784d8b8f897ec9af34a49b2bc",
                        "classification": {
                            "BBH": 0.0625364477413746,
                            "BNS": 3.4523091806171602e-15,
                            "NSBH": 2.2499925175807886e-13,
                            "Terrestrial": 0.937463552258397
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-24T03:26:14Z",
                    "superevent_id": "S230724d",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-24T03:26:16.000777Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-24T03:26:16.000796Z",
                "modified": "2023-07-24T03:26:16.010173Z"
            }
        },
        {
            "id": 821,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1505,
                "topic": "igwn.gwalert",
                "uuid": "b65c62d3-7b43-4e83-95a0-df00cfefc987",
                "title": "S230724d - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230724d/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230724d/view/"
                    },
                    "event": {
                        "far": 2.238295475837609e-05,
                        "time": "2023-07-24T03:25:50.314Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 654.2293964421046,
                        "area_90": 2333.236333687044,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "6428d86784d8b8f897ec9af34a49b2bc",
                        "classification": {
                            "BBH": 0.0625364477413746,
                            "BNS": 3.4523091806171602e-15,
                            "NSBH": 2.2499925175807886e-13,
                            "Terrestrial": 0.937463552258397
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-24T03:30:49Z",
                    "superevent_id": "S230724d",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-24T03:30:50.534658Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-24T03:30:50.534678Z",
                "modified": "2023-07-24T03:30:50.541494Z"
            }
        },
        {
            "id": 822,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1506,
                "topic": "igwn.gwalert",
                "uuid": "921fa64f-0c1f-4bab-a8f3-6264784c2a74",
                "title": "S230724h - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230724h/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230724h/view/"
                    },
                    "event": {
                        "far": 1.31444e-05,
                        "time": "2023-07-24T05:20:33.644Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1184.8728036268649,
                        "area_90": 5321.541357461404,
                        "duration": 0.010695,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a30caf1421f635a74f0b77752999bd32",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 36.804157
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-24T05:24:03Z",
                    "superevent_id": "S230724h",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-24T05:24:04.890331Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-24T05:24:04.890352Z",
                "modified": "2023-07-24T05:24:04.898453Z"
            }
        },
        {
            "id": 823,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1507,
                "topic": "igwn.gwalert",
                "uuid": "69d0b70c-dbde-4bd3-a9e7-3d922eea832b",
                "title": "S230724h - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230724h/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230724h/view/"
                    },
                    "event": {
                        "far": 1.31444e-05,
                        "time": "2023-07-24T05:20:33.644Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 1184.8728036268649,
                        "area_90": 5321.541357461404,
                        "duration": 0.010695,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a30caf1421f635a74f0b77752999bd32",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 36.804157
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-24T05:28:38Z",
                    "superevent_id": "S230724h",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-24T05:28:39.295986Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-24T05:28:39.296006Z",
                "modified": "2023-07-24T05:28:39.301903Z"
            }
        },
        {
            "id": 824,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1508,
                "topic": "igwn.gwalert",
                "uuid": "205a82ad-d676-414e-b5de-6255f7d2145b",
                "title": "S230724j - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230724j/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230724j/view/"
                    },
                    "event": {
                        "far": 1.540919322113923e-05,
                        "time": "2023-07-24T05:56:35.118Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 868.2492759709525,
                        "area_90": 3129.7260029924414,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.026260429225946468,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "1f9cd5799998017d52427128329707fa",
                        "classification": {
                            "BBH": 0.09865230763924955,
                            "BNS": 1.8888670394891736e-13,
                            "NSBH": 1.3203262123648672e-11,
                            "Terrestrial": 0.9013476923473583
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-24T05:56:57Z",
                    "superevent_id": "S230724j",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-24T05:56:59.055254Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-24T05:56:59.055284Z",
                "modified": "2023-07-24T05:56:59.063201Z"
            }
        },
        {
            "id": 825,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1509,
                "topic": "igwn.gwalert",
                "uuid": "1aba0881-e639-42bb-8477-f70451ab5d06",
                "title": "S230724j - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230724j/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230724j/view/"
                    },
                    "event": {
                        "far": 1.540919322113923e-05,
                        "time": "2023-07-24T05:56:35.118Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 868.2492759709525,
                        "area_90": 3129.7260029924414,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.026260429225946468,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "1f9cd5799998017d52427128329707fa",
                        "classification": {
                            "BBH": 0.09865230763924955,
                            "BNS": 1.8888670394891736e-13,
                            "NSBH": 1.3203262123648672e-11,
                            "Terrestrial": 0.9013476923473583
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-24T06:01:32Z",
                    "superevent_id": "S230724j",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-24T06:01:33.680976Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-24T06:01:33.680996Z",
                "modified": "2023-07-24T06:01:33.687065Z"
            }
        },
        {
            "id": 826,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1510,
                "topic": "igwn.gwalert",
                "uuid": "f91a1961-71db-433b-a6bc-b89dc1888519",
                "title": "S230724v - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230724v/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230724v/view/"
                    },
                    "event": {
                        "far": 2.108021726598963e-05,
                        "time": "2023-07-24T08:24:47.462Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 3119.654479249908,
                        "area_90": 14032.989747930713,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.17525576608896903,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "cfb8a4792bf278a05980773219c7ee4d",
                        "classification": {
                            "BBH": 0.04347413941115353,
                            "BNS": 0.0,
                            "NSBH": 0.00454970872087613,
                            "Terrestrial": 0.9519761518679704
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-24T08:25:11Z",
                    "superevent_id": "S230724v",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-24T08:25:13.520995Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-24T08:25:13.521028Z",
                "modified": "2023-07-24T08:25:13.530359Z"
            }
        },
        {
            "id": 827,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1511,
                "topic": "igwn.gwalert",
                "uuid": "364512d0-603c-4f54-b036-1882541517fd",
                "title": "S230724v - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230724v/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230724v/view/"
                    },
                    "event": {
                        "far": 2.108021726598963e-05,
                        "time": "2023-07-24T08:24:47.462Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 3119.654479249908,
                        "area_90": 14032.989747930713,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.17525576608896903,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "cfb8a4792bf278a05980773219c7ee4d",
                        "classification": {
                            "BBH": 0.04347413941115353,
                            "BNS": 0.0,
                            "NSBH": 0.00454970872087613,
                            "Terrestrial": 0.9519761518679704
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-24T08:29:46Z",
                    "superevent_id": "S230724v",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-24T08:29:47.291444Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-24T08:29:47.291477Z",
                "modified": "2023-07-24T08:29:47.297585Z"
            }
        },
        {
            "id": 828,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1514,
                "topic": "igwn.gwalert",
                "uuid": "11ac8fe6-8286-4dec-b30b-31a46261b25e",
                "title": "S230724ad - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230724ad/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230724ad/view/"
                    },
                    "event": {
                        "far": 1.214331820282257e-05,
                        "time": "2023-07-24T10:09:41.548Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 369.97112997964757,
                        "area_90": 2257.699905618039,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "abe83de6ad8ec642432f8940fd2c9c30",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 1.1176567612520077e-05,
                            "NSBH": 0.0004582693979956023,
                            "Terrestrial": 0.9995305540343918
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-24T10:10:07Z",
                    "superevent_id": "S230724ad",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-24T10:10:08.573462Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-24T10:10:08.573498Z",
                "modified": "2023-07-24T10:10:08.580073Z"
            }
        },
        {
            "id": 829,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1515,
                "topic": "igwn.gwalert",
                "uuid": "596de7e7-ab2d-4060-be0d-4fa9b6f574d9",
                "title": "S230724ad - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230724ad/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230724ad/view/"
                    },
                    "event": {
                        "far": 1.214331820282257e-05,
                        "time": "2023-07-24T10:09:41.548Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 369.97112997964757,
                        "area_90": 2257.699905618039,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "abe83de6ad8ec642432f8940fd2c9c30",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 1.1176567612520077e-05,
                            "NSBH": 0.0004582693979956023,
                            "Terrestrial": 0.9995305540343918
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-24T10:14:42Z",
                    "superevent_id": "S230724ad",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-24T10:14:44.159723Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-24T10:14:44.159765Z",
                "modified": "2023-07-24T10:14:44.166237Z"
            }
        },
        {
            "id": 830,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1524,
                "topic": "igwn.gwalert",
                "uuid": "f5a740b0-e917-4983-a6fe-bfe37d6da5ae",
                "title": "S230724ah - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230724ah/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230724ah/view/"
                    },
                    "event": {
                        "far": 6.43381e-06,
                        "time": "2023-07-24T21:29:35.484Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 908.9550177636938,
                        "area_90": 2893.8844886881034,
                        "duration": 0.008133,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "0e78a4756347a857d219125538811799",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 142.02504
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-24T21:30:47Z",
                    "superevent_id": "S230724ah",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-24T21:30:48.798293Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-24T21:30:48.798314Z",
                "modified": "2023-07-24T21:30:48.804204Z"
            }
        },
        {
            "id": 831,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1525,
                "topic": "igwn.gwalert",
                "uuid": "0d3fceb7-551c-4351-a0ee-cb8cc040f320",
                "title": "S230724ah - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230724ah/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230724ah/view/"
                    },
                    "event": {
                        "far": 6.43381e-06,
                        "time": "2023-07-24T21:29:35.484Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 908.9550177636938,
                        "area_90": 2893.8844886881034,
                        "duration": 0.008133,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "0e78a4756347a857d219125538811799",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 142.02504
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-24T21:35:22Z",
                    "superevent_id": "S230724ah",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-24T21:35:23.245458Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-24T21:35:23.245479Z",
                "modified": "2023-07-24T21:35:23.251589Z"
            }
        },
        {
            "id": 832,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1526,
                "topic": "igwn.gwalert",
                "uuid": "4275b923-d457-4156-8dbf-6014834566c4",
                "title": "S230724ak - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230724ak/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230724ak/view/"
                    },
                    "event": {
                        "far": 1.915829125209711e-05,
                        "time": "2023-07-24T22:02:54.089Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2648.810744286443,
                        "area_90": 9286.784184261562,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.09027816435843458,
                            "HasRemnant": 0.8855929223891099
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "bfe31c6db13cd3103f94fa04105adcaf",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.068663141056261,
                            "NSBH": 0.027481065626174146,
                            "Terrestrial": 0.9038557933175648
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-24T22:03:19Z",
                    "superevent_id": "S230724ak",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-24T22:03:21.050974Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-24T22:03:21.050996Z",
                "modified": "2023-07-24T22:03:21.057185Z"
            }
        },
        {
            "id": 833,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1527,
                "topic": "igwn.gwalert",
                "uuid": "8803f381-0652-4543-ad35-e3179cd06f1f",
                "title": "S230724ak - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230724ak/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230724ak/view/"
                    },
                    "event": {
                        "far": 1.915829125209711e-05,
                        "time": "2023-07-24T22:02:54.089Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2648.810744286443,
                        "area_90": 9286.784184261562,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.09027816435843458,
                            "HasRemnant": 0.8855929223891099
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "bfe31c6db13cd3103f94fa04105adcaf",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.068663141056261,
                            "NSBH": 0.027481065626174146,
                            "Terrestrial": 0.9038557933175648
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-24T22:07:54Z",
                    "superevent_id": "S230724ak",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-24T22:07:54.787325Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-24T22:07:54.787346Z",
                "modified": "2023-07-24T22:07:54.793641Z"
            }
        },
        {
            "id": 834,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1528,
                "topic": "igwn.gwalert",
                "uuid": "7d2babbc-73e2-4571-a936-561c9799755c",
                "title": "S230724al - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230724al/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230724al/view/"
                    },
                    "event": {
                        "far": 1.07496034615906e-05,
                        "time": "2023-07-24T22:12:42.853Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2197.2707631628346,
                        "area_90": 13949.060383409595,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.00164266909566374,
                            "HasMassGap": 0.040646388699020285,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "542f95f383fce23e04f79d6d4b039a4a",
                        "classification": {
                            "BBH": 0.10206132884772509,
                            "BNS": 0.0,
                            "NSBH": 0.01015762414934438,
                            "Terrestrial": 0.8877810470029305
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-24T22:13:09Z",
                    "superevent_id": "S230724al",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-24T22:13:11.297648Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-24T22:13:11.297669Z",
                "modified": "2023-07-24T22:13:11.303504Z"
            }
        },
        {
            "id": 835,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1529,
                "topic": "igwn.gwalert",
                "uuid": "a2219651-ff39-4311-8725-08c2beeeb1d8",
                "title": "S230724al - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230724al/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230724al/view/"
                    },
                    "event": {
                        "far": 1.07496034615906e-05,
                        "time": "2023-07-24T22:12:42.853Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2197.2707631628346,
                        "area_90": 13949.060383409595,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.00164266909566374,
                            "HasMassGap": 0.040646388699020285,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "542f95f383fce23e04f79d6d4b039a4a",
                        "classification": {
                            "BBH": 0.10206132884772509,
                            "BNS": 0.0,
                            "NSBH": 0.01015762414934438,
                            "Terrestrial": 0.8877810470029305
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-24T22:17:44Z",
                    "superevent_id": "S230724al",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-24T22:17:45.842962Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-24T22:17:45.842997Z",
                "modified": "2023-07-24T22:17:45.849832Z"
            }
        },
        {
            "id": 836,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1530,
                "topic": "igwn.gwalert",
                "uuid": "4241fc63-e2d7-4b87-8452-0fa5d9e45db3",
                "title": "S230725b - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230725b/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230725b/view/"
                    },
                    "event": {
                        "far": 3.056681737765316e-06,
                        "time": "2023-07-25T04:15:53.062Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 890.0709107464426,
                        "area_90": 3312.6920176484764,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.000689655172413793,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "0260c0aeabdf790830cd0fb5c6d0a279",
                        "classification": {
                            "BBH": 0.0021521269581344146,
                            "BNS": 0.0,
                            "NSBH": 0.010309834630913731,
                            "Terrestrial": 0.9875380384109519
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-25T04:16:24Z",
                    "superevent_id": "S230725b",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-25T04:16:26.368803Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-25T04:16:26.368827Z",
                "modified": "2023-07-25T04:16:26.378203Z"
            }
        },
        {
            "id": 837,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1531,
                "topic": "igwn.gwalert",
                "uuid": "56099deb-23d6-493e-ae17-5b1f9a39b131",
                "title": "S230725b - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230725b/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230725b/view/"
                    },
                    "event": {
                        "far": 3.056681737765316e-06,
                        "time": "2023-07-25T04:15:53.062Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 890.0709107464426,
                        "area_90": 3312.6920176484764,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.000689655172413793,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "0260c0aeabdf790830cd0fb5c6d0a279",
                        "classification": {
                            "BBH": 0.0021521269581344146,
                            "BNS": 0.0,
                            "NSBH": 0.010309834630913731,
                            "Terrestrial": 0.9875380384109519
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-25T04:20:58Z",
                    "superevent_id": "S230725b",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-25T04:20:59.911467Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-25T04:20:59.911489Z",
                "modified": "2023-07-25T04:20:59.917327Z"
            }
        },
        {
            "id": 838,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1532,
                "topic": "igwn.gwalert",
                "uuid": "f8e9a07e-bcbf-4907-b5e1-8e6d10a39e60",
                "title": "S230725d - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230725d/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230725d/view/"
                    },
                    "event": {
                        "far": 5.468408873965132e-06,
                        "time": "2023-07-25T04:24:57.792Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2387.79042062577,
                        "area_90": 8973.727654597798,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.026260429225946468,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "80358ed00f90453f914cf3b1f7103d9a",
                        "classification": {
                            "BBH": 0.2794719003024766,
                            "BNS": 7.654694532810478e-14,
                            "NSBH": 5.806567655645358e-12,
                            "Terrestrial": 0.7205280996916403
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-25T04:25:35Z",
                    "superevent_id": "S230725d",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-25T04:25:36.372177Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-25T04:25:36.372198Z",
                "modified": "2023-07-25T04:25:36.378037Z"
            }
        },
        {
            "id": 839,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1533,
                "topic": "igwn.gwalert",
                "uuid": "b5ee609c-fe2a-4b7e-8f86-7b06fa63212e",
                "title": "S230725d - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230725d/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230725d/view/"
                    },
                    "event": {
                        "far": 5.468408873965132e-06,
                        "time": "2023-07-25T04:24:57.792Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2387.79042062577,
                        "area_90": 8973.727654597798,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.026260429225946468,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "80358ed00f90453f914cf3b1f7103d9a",
                        "classification": {
                            "BBH": 0.2794719003024766,
                            "BNS": 7.654694532810478e-14,
                            "NSBH": 5.806567655645358e-12,
                            "Terrestrial": 0.7205280996916403
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-25T04:30:12Z",
                    "superevent_id": "S230725d",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-25T04:30:13.853835Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-25T04:30:13.853858Z",
                "modified": "2023-07-25T04:30:13.860135Z"
            }
        },
        {
            "id": 840,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1535,
                "topic": "igwn.gwalert",
                "uuid": "02210bd7-6138-4283-a982-7fd1e059ce6d",
                "title": "S230725aa - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230725aa/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230725aa/view/"
                    },
                    "event": {
                        "far": 1.509481e-05,
                        "time": "2023-07-25T10:52:49.221Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 402.6511262900574,
                        "area_90": 1255.7931166472083,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.09894078227899739,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "4b81b5655fd573da821069edbc24fd4f",
                        "classification": {
                            "BBH": 0.033414568,
                            "BNS": 0.0,
                            "NSBH": 7.37e-07,
                            "Terrestrial": 0.966584694
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-25T10:53:21Z",
                    "superevent_id": "S230725aa",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-25T10:53:22.239493Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-25T10:53:22.239519Z",
                "modified": "2023-07-25T10:53:22.252797Z"
            }
        },
        {
            "id": 841,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1536,
                "topic": "igwn.gwalert",
                "uuid": "01156069-73ce-4bda-bbeb-76c32693ab0c",
                "title": "S230725ab - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230725ab/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230725ab/view/"
                    },
                    "event": {
                        "far": 1.141683424066287e-05,
                        "time": "2023-07-25T10:53:13.095Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 447.5533363088548,
                        "area_90": 1850.642487690623,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.022579365079365078,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "3bde70076b7f0c13e46a9bd725bd5479",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.09383204132183415,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9061679586781659
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-25T10:53:37Z",
                    "superevent_id": "S230725ab",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-25T10:53:39.319653Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-25T10:53:39.319675Z",
                "modified": "2023-07-25T10:53:39.325576Z"
            }
        },
        {
            "id": 842,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1537,
                "topic": "igwn.gwalert",
                "uuid": "59651b15-68e9-4358-8997-5554d811a232",
                "title": "S230725aa - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230725aa/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230725aa/view/"
                    },
                    "event": {
                        "far": 1.509481e-05,
                        "time": "2023-07-25T10:52:49.221Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 402.6511262900574,
                        "area_90": 1255.7931166472083,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.09894078227899739,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "4b81b5655fd573da821069edbc24fd4f",
                        "classification": {
                            "BBH": 0.033414568,
                            "BNS": 0.0,
                            "NSBH": 7.37e-07,
                            "Terrestrial": 0.966584694
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-25T10:57:57Z",
                    "superevent_id": "S230725aa",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-25T10:57:59.149749Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-25T10:57:59.149779Z",
                "modified": "2023-07-25T10:57:59.156414Z"
            }
        },
        {
            "id": 843,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1538,
                "topic": "igwn.gwalert",
                "uuid": "baa14aef-d69b-43b9-9e5e-63f9c9ac5a4b",
                "title": "S230725ab - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230725ab/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230725ab/view/"
                    },
                    "event": {
                        "far": 1.141683424066287e-05,
                        "time": "2023-07-25T10:53:13.095Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 447.5533363088548,
                        "area_90": 1850.642487690623,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.022579365079365078,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "3bde70076b7f0c13e46a9bd725bd5479",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.09383204132183415,
                            "NSBH": 0.0,
                            "Terrestrial": 0.9061679586781659
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-25T10:58:11Z",
                    "superevent_id": "S230725ab",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-25T10:58:13.218176Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-25T10:58:13.218196Z",
                "modified": "2023-07-25T10:58:13.224246Z"
            }
        },
        {
            "id": 844,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1539,
                "topic": "igwn.gwalert",
                "uuid": "290249e9-a999-460a-bde0-4049b01dfc7f",
                "title": "S230725ad - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230725ad/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230725ad/view/"
                    },
                    "event": {
                        "far": 4.866617432023452e-06,
                        "time": "2023-07-25T11:00:08.687Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 558.7597442993344,
                        "area_90": 1697.8910442621911,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.42836835691939257,
                            "HasRemnant": 0.00013946829606686692
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "9fddbbdc26b43c1f6a547a14ba4024cb",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0006679744881347964,
                            "NSBH": 0.0032994518651381735,
                            "Terrestrial": 0.996032573646727
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-25T11:00:38Z",
                    "superevent_id": "S230725ad",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-25T11:00:39.435673Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-25T11:00:39.435694Z",
                "modified": "2023-07-25T11:00:39.441712Z"
            }
        },
        {
            "id": 845,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1540,
                "topic": "igwn.gwalert",
                "uuid": "6c8ff1ea-25a2-4916-91fa-c77006660137",
                "title": "S230725ad - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230725ad/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230725ad/view/"
                    },
                    "event": {
                        "far": 1.226137e-05,
                        "time": "2023-07-25T11:00:08.660Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 424.2104818014192,
                        "area_90": 1520.5902617113318,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.3603026041837918,
                            "HasRemnant": 6.65970157212325e-05
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "ebaa3853390875a0272e44630a8cd1f8",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 1.3372e-05,
                            "NSBH": 0.001536718,
                            "Terrestrial": 0.99844991
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-25T11:05:13Z",
                    "superevent_id": "S230725ad",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-25T11:05:15.192020Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-25T11:05:15.192042Z",
                "modified": "2023-07-25T11:05:15.198260Z"
            }
        },
        {
            "id": 846,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1542,
                "topic": "igwn.gwalert",
                "uuid": "0c2b7543-3aa9-40a7-a14f-f4c7c3f3f827",
                "title": "S230725am - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230725am/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230725am/view/"
                    },
                    "event": {
                        "far": 4.974583e-07,
                        "time": "2023-07-25T13:16:48.893Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 858.8072224623265,
                        "area_90": 3414.246548719027,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.25605261830400217,
                            "HasMassGap": 0.09445463282150589,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "248aa69537a3dc34087544d008540fbe",
                        "classification": {
                            "BBH": 0.501549467,
                            "BNS": 0.0,
                            "NSBH": 0.000629434,
                            "Terrestrial": 0.497821102
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-25T13:17:17Z",
                    "superevent_id": "S230725am",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-25T13:17:18.611655Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-25T13:17:18.611677Z",
                "modified": "2023-07-25T13:17:18.618018Z"
            }
        },
        {
            "id": 847,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1543,
                "topic": "igwn.gwalert",
                "uuid": "f6250097-c1fc-4031-9f25-bdb4392ee791",
                "title": "S230725am - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230725am/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230725am/view/"
                    },
                    "event": {
                        "far": 4.974583e-07,
                        "time": "2023-07-25T13:16:48.893Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 858.8072224623265,
                        "area_90": 3414.246548719027,
                        "duration": null,
                        "pipeline": "MBTA",
                        "properties": {
                            "HasNS": 0.25605261830400217,
                            "HasMassGap": 0.09445463282150589,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "248aa69537a3dc34087544d008540fbe",
                        "classification": {
                            "BBH": 0.501549467,
                            "BNS": 0.0,
                            "NSBH": 0.000629434,
                            "Terrestrial": 0.497821102
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-25T13:21:51Z",
                    "superevent_id": "S230725am",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-25T13:21:52.270433Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-25T13:21:52.270455Z",
                "modified": "2023-07-25T13:21:52.276800Z"
            }
        },
        {
            "id": 848,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1545,
                "topic": "igwn.gwalert",
                "uuid": "a5381b30-c007-465c-8dc6-49025d8dda24",
                "title": "S230725an - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230725an/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230725an/view/"
                    },
                    "event": {
                        "far": 5.54965e-06,
                        "time": "2023-07-25T13:25:29.559Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 1750.7665439104942,
                        "area_90": 9069.407130151869,
                        "duration": 0.016661,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "e82bf9ef73305169c4223907dc22f574",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 28.309725
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-25T13:28:20Z",
                    "superevent_id": "S230725an",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-25T13:28:21.208497Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-25T13:28:21.208517Z",
                "modified": "2023-07-25T13:28:21.214621Z"
            }
        },
        {
            "id": 849,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1546,
                "topic": "igwn.gwalert",
                "uuid": "1cdcdef1-ebdd-4641-9f1c-3988f1234289",
                "title": "S230725an - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230725an/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230725an/view/"
                    },
                    "event": {
                        "far": 5.54965e-06,
                        "time": "2023-07-25T13:25:29.559Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 1750.7665439104942,
                        "area_90": 9069.407130151869,
                        "duration": 0.016661,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "e82bf9ef73305169c4223907dc22f574",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 28.309725
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-25T13:32:54Z",
                    "superevent_id": "S230725an",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-25T13:32:55.843960Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-25T13:32:55.843982Z",
                "modified": "2023-07-25T13:32:55.849995Z"
            }
        },
        {
            "id": 850,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1553,
                "topic": "igwn.gwalert",
                "uuid": "25d71d25-8b50-4df5-91dc-e25de9f7ae4e",
                "title": "S230726a - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726a/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726a/view/"
                    },
                    "event": {
                        "far": 3.832054318795527e-14,
                        "time": "2023-07-26T00:29:40.060Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 8060.576168608048,
                        "area_90": 24218.657426213435,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "0adca293d2175c2d095c85f21127595d",
                        "classification": {
                            "BBH": 0.9999998589269592,
                            "BNS": 3.8818043107879957e-25,
                            "NSBH": 3.038812522528842e-23,
                            "Terrestrial": 1.4107304080468452e-07
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-26T00:30:11Z",
                    "superevent_id": "S230726a",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T00:30:11.986084Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T00:30:11.986103Z",
                "modified": "2023-07-26T00:30:11.992391Z"
            }
        },
        {
            "id": 851,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1554,
                "topic": "igwn.gwalert",
                "uuid": "ff988211-7140-4f6d-9e01-c7280f0a10ab",
                "title": "S230726a - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726a/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726a/view/"
                    },
                    "event": {
                        "far": 3.832054318795527e-14,
                        "time": "2023-07-26T00:29:40.060Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 8060.576168608048,
                        "area_90": 24218.657426213435,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "0adca293d2175c2d095c85f21127595d",
                        "classification": {
                            "BBH": 0.9999998589269592,
                            "BNS": 3.8818043107879957e-25,
                            "NSBH": 3.038812522528842e-23,
                            "Terrestrial": 1.4107304080468452e-07
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-26T00:34:47Z",
                    "superevent_id": "S230726a",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T00:34:48.523908Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T00:34:48.523927Z",
                "modified": "2023-07-26T00:34:48.530629Z"
            }
        },
        {
            "id": 852,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1555,
                "topic": "igwn.gwalert",
                "uuid": "b56a35c2-41a4-454e-a9a0-ea59e4c24599",
                "title": "S230726b - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726b/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726b/view/"
                    },
                    "event": {
                        "far": 2.875145128200529e-06,
                        "time": "2023-07-26T01:15:07.790Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 390.48136843449544,
                        "area_90": 3375.6390410393133,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.32685759270869064,
                            "HasMassGap": 0.25437784261392393,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a328baea17425a3c0c8f823c3b48c46d",
                        "classification": {
                            "BBH": 0.2915235893883321,
                            "BNS": 0.0,
                            "NSBH": 0.013677308150390075,
                            "Terrestrial": 0.6947991024612779
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-26T01:15:31Z",
                    "superevent_id": "S230726b",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T01:15:32.389962Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T01:15:32.389981Z",
                "modified": "2023-07-26T01:15:32.398114Z"
            }
        },
        {
            "id": 853,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1556,
                "topic": "igwn.gwalert",
                "uuid": "fda73e65-a9f5-4d8c-8668-87d702443ec9",
                "title": "S230726b - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726b/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726b/view/"
                    },
                    "event": {
                        "far": 2.875145128200529e-06,
                        "time": "2023-07-26T01:15:07.790Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 390.48136843449544,
                        "area_90": 3375.6390410393133,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.32685759270869064,
                            "HasMassGap": 0.25437784261392393,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "a328baea17425a3c0c8f823c3b48c46d",
                        "classification": {
                            "BBH": 0.2915235893883321,
                            "BNS": 0.0,
                            "NSBH": 0.013677308150390075,
                            "Terrestrial": 0.6947991024612779
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-26T01:20:05Z",
                    "superevent_id": "S230726b",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T01:20:06.939631Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T01:20:06.939660Z",
                "modified": "2023-07-26T01:20:06.945967Z"
            }
        },
        {
            "id": 854,
            "sequence_number": 3,
            "sequence_type": "INITIAL",
            "message": {
                "id": 1557,
                "topic": "igwn.gwalert",
                "uuid": "0c694510-f12b-4483-8259-0e2f26cc0166",
                "title": "S230726a - INITIAL",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726a/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726a/view/"
                    },
                    "event": {
                        "far": 3.832054318795527e-14,
                        "time": "2023-07-26T00:29:40.060Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 8060.576168608048,
                        "area_90": 24218.657426213435,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "0adca293d2175c2d095c85f21127595d",
                        "classification": {
                            "BBH": 0.9999998589269592,
                            "BNS": 3.8818043107879957e-25,
                            "NSBH": 3.038812522528842e-23,
                            "Terrestrial": 1.4107304080468452e-07
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "INITIAL",
                    "sequence_num": 3,
                    "time_created": "2023-07-26T01:22:42Z",
                    "superevent_id": "S230726a",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T01:22:44.174488Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T01:22:44.174508Z",
                "modified": "2023-07-26T01:22:44.180911Z"
            }
        },
        {
            "id": 855,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1560,
                "topic": "igwn.gwalert",
                "uuid": "e3265689-5060-4cba-b309-8c08db655281",
                "title": "S230726f - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726f/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726f/view/"
                    },
                    "event": {
                        "far": 2.038079406376086e-05,
                        "time": "2023-07-26T01:53:41.483Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 811.5969549191985,
                        "area_90": 3069.296860537238,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.007345713506882921,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "3cdee355d3916c82b469629966a83b66",
                        "classification": {
                            "BBH": 0.06980420322145638,
                            "BNS": 5.290337438441645e-15,
                            "NSBH": 3.7636895836411496e-13,
                            "Terrestrial": 0.930195796778162
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-26T01:54:03Z",
                    "superevent_id": "S230726f",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T01:54:05.618515Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T01:54:05.618543Z",
                "modified": "2023-07-26T01:54:05.625687Z"
            }
        },
        {
            "id": 856,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1561,
                "topic": "igwn.gwalert",
                "uuid": "5cbfffeb-592e-40db-b1e6-44817c5fd0f0",
                "title": "S230726f - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726f/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726f/view/"
                    },
                    "event": {
                        "far": 2.038079406376086e-05,
                        "time": "2023-07-26T01:53:41.483Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 811.5969549191985,
                        "area_90": 3069.296860537238,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.007345713506882921,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "3cdee355d3916c82b469629966a83b66",
                        "classification": {
                            "BBH": 0.06980420322145638,
                            "BNS": 5.290337438441645e-15,
                            "NSBH": 3.7636895836411496e-13,
                            "Terrestrial": 0.930195796778162
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-26T01:58:40Z",
                    "superevent_id": "S230726f",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T01:58:41.352921Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T01:58:41.352950Z",
                "modified": "2023-07-26T01:58:41.359426Z"
            }
        },
        {
            "id": 857,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1562,
                "topic": "igwn.gwalert",
                "uuid": "b9b8bf8b-c78e-4d5c-ad0a-dc72a8a58dba",
                "title": "S230726k - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726k/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726k/view/"
                    },
                    "event": {
                        "far": 1.789593443390913e-05,
                        "time": "2023-07-26T02:28:26.964Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2402.05841259436,
                        "area_90": 8006.861375314535,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 7.094344529165021e-05,
                            "HasMassGap": 0.4542341525588239,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d60e3824d7a065adfa44dc1e5cf8552e",
                        "classification": {
                            "BBH": 0.1847159480053646,
                            "BNS": 0.0,
                            "NSBH": 0.0014382043980931708,
                            "Terrestrial": 0.8138458475965422
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-26T02:28:50Z",
                    "superevent_id": "S230726k",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T02:28:51.263877Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T02:28:51.263899Z",
                "modified": "2023-07-26T02:28:51.271078Z"
            }
        },
        {
            "id": 858,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1563,
                "topic": "igwn.gwalert",
                "uuid": "67fe1dd5-68e8-4e97-b9da-8bbad838114a",
                "title": "S230726k - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726k/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726k/view/"
                    },
                    "event": {
                        "far": 1.789593443390913e-05,
                        "time": "2023-07-26T02:28:26.964Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2402.05841259436,
                        "area_90": 8006.861375314535,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 7.094344529165021e-05,
                            "HasMassGap": 0.4542341525588239,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "d60e3824d7a065adfa44dc1e5cf8552e",
                        "classification": {
                            "BBH": 0.1847159480053646,
                            "BNS": 0.0,
                            "NSBH": 0.0014382043980931708,
                            "Terrestrial": 0.8138458475965422
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-26T02:33:25Z",
                    "superevent_id": "S230726k",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T02:33:25.862221Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T02:33:25.862241Z",
                "modified": "2023-07-26T02:33:25.868429Z"
            }
        },
        {
            "id": 859,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1564,
                "topic": "igwn.gwalert",
                "uuid": "ceadf4c1-6fdb-4abd-bf4c-9db38871f452",
                "title": "S230726o - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726o/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726o/view/"
                    },
                    "event": {
                        "far": 1.53035e-05,
                        "time": "2023-07-26T03:52:30.695Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 1186.76121432859,
                        "area_90": 3724.7851974471587,
                        "duration": 0.033226,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "631b1f808e793847d04eb1bce1c84baa",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 35.914936
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-26T03:53:44Z",
                    "superevent_id": "S230726o",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T03:53:45.304848Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T03:53:45.304866Z",
                "modified": "2023-07-26T03:53:45.312303Z"
            }
        },
        {
            "id": 860,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1565,
                "topic": "igwn.gwalert",
                "uuid": "c3e07852-1552-406e-91ee-8b080739121b",
                "title": "S230726o - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726o/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726o/view/"
                    },
                    "event": {
                        "far": 1.53035e-05,
                        "time": "2023-07-26T03:52:30.695Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 1186.76121432859,
                        "area_90": 3724.7851974471587,
                        "duration": 0.033226,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "631b1f808e793847d04eb1bce1c84baa",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 35.914936
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-26T03:58:18Z",
                    "superevent_id": "S230726o",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T03:58:18.900605Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T03:58:18.900623Z",
                "modified": "2023-07-26T03:58:18.906844Z"
            }
        },
        {
            "id": 861,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1566,
                "topic": "igwn.gwalert",
                "uuid": "e03aa797-87e9-4ad6-b221-222520e4ce66",
                "title": "S230726q - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726q/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726q/view/"
                    },
                    "event": {
                        "far": 1.919405639944385e-05,
                        "time": "2023-07-26T04:06:13.812Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 530.0139369508519,
                        "area_90": 1867.4283605948465,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.014712917913729274,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "43ce0fabbde489da34799534718f1090",
                        "classification": {
                            "BBH": 0.10779236465595828,
                            "BNS": 2.290801522602201e-15,
                            "NSBH": 1.5517200823795395e-13,
                            "Terrestrial": 0.8922076353438843
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-26T04:06:39Z",
                    "superevent_id": "S230726q",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T04:06:40.247144Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T04:06:40.247173Z",
                "modified": "2023-07-26T04:06:40.253862Z"
            }
        },
        {
            "id": 862,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1567,
                "topic": "igwn.gwalert",
                "uuid": "8a6d0eac-f3ea-4880-bddf-7f1989c3841d",
                "title": "S230726q - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726q/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726q/view/"
                    },
                    "event": {
                        "far": 1.919405639944385e-05,
                        "time": "2023-07-26T04:06:13.812Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 530.0139369508519,
                        "area_90": 1867.4283605948465,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.014712917913729274,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "43ce0fabbde489da34799534718f1090",
                        "classification": {
                            "BBH": 0.10779236465595828,
                            "BNS": 2.290801522602201e-15,
                            "NSBH": 1.5517200823795395e-13,
                            "Terrestrial": 0.8922076353438843
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-26T04:11:14Z",
                    "superevent_id": "S230726q",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T04:11:16.011804Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T04:11:16.011822Z",
                "modified": "2023-07-26T04:11:16.018142Z"
            }
        },
        {
            "id": 863,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1570,
                "topic": "igwn.gwalert",
                "uuid": "68e4014b-923a-443e-8a4b-ba5009ab194b",
                "title": "S230726ag - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726ag/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726ag/view/"
                    },
                    "event": {
                        "far": 1.312801396124996e-05,
                        "time": "2023-07-26T07:08:53.262Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1631.7966697018114,
                        "area_90": 6342.542076860789,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 6.897505015054467e-05,
                            "HasMassGap": 0.5011714477944447,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "69125b6873a97dd36c16e734305682b2",
                        "classification": {
                            "BBH": 0.20702331630035883,
                            "BNS": 0.0,
                            "NSBH": 0.012630558620452837,
                            "Terrestrial": 0.7803461250791883
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-26T07:09:20Z",
                    "superevent_id": "S230726ag",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T07:09:20.821156Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T07:09:20.821189Z",
                "modified": "2023-07-26T07:09:20.841005Z"
            }
        },
        {
            "id": 864,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1571,
                "topic": "igwn.gwalert",
                "uuid": "d08ad3dd-3d4c-4f18-91c5-d8b19acfdec6",
                "title": "S230726ag - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726ag/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726ag/view/"
                    },
                    "event": {
                        "far": 1.312801396124996e-05,
                        "time": "2023-07-26T07:08:53.262Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1631.7966697018114,
                        "area_90": 6342.542076860789,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 6.897505015054467e-05,
                            "HasMassGap": 0.5011714477944447,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "69125b6873a97dd36c16e734305682b2",
                        "classification": {
                            "BBH": 0.20702331630035883,
                            "BNS": 0.0,
                            "NSBH": 0.012630558620452837,
                            "Terrestrial": 0.7803461250791883
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-26T07:13:54Z",
                    "superevent_id": "S230726ag",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T07:13:55.726692Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T07:13:55.726722Z",
                "modified": "2023-07-26T07:13:55.733248Z"
            }
        },
        {
            "id": 865,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1572,
                "topic": "igwn.gwalert",
                "uuid": "e9396808-6d96-48b0-b7d0-ac10362e5a18",
                "title": "S230726al - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726al/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726al/view/"
                    },
                    "event": {
                        "far": 1.126682673202595e-05,
                        "time": "2023-07-26T08:16:44.074Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2407.0941744656266,
                        "area_90": 10084.952440857382,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.6154552108497213,
                            "HasMassGap": 0.019569327731092434,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "ea91b278cc45537ff36656a5a2ae0ef6",
                        "classification": {
                            "BBH": 0.09352820536426389,
                            "BNS": 0.0,
                            "NSBH": 0.14290907809738437,
                            "Terrestrial": 0.7635627165383517
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-26T08:17:08Z",
                    "superevent_id": "S230726al",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T08:17:10.102827Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T08:17:10.102849Z",
                "modified": "2023-07-26T08:17:10.109180Z"
            }
        },
        {
            "id": 866,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1573,
                "topic": "igwn.gwalert",
                "uuid": "6d068a20-930d-4755-915d-a375503f84a3",
                "title": "S230726al - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726al/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726al/view/"
                    },
                    "event": {
                        "far": 1.126682673202595e-05,
                        "time": "2023-07-26T08:16:44.074Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 2407.0941744656266,
                        "area_90": 10084.952440857382,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.6154552108497213,
                            "HasMassGap": 0.019569327731092434,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "ea91b278cc45537ff36656a5a2ae0ef6",
                        "classification": {
                            "BBH": 0.09352820536426389,
                            "BNS": 0.0,
                            "NSBH": 0.14290907809738437,
                            "Terrestrial": 0.7635627165383517
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-26T08:21:43Z",
                    "superevent_id": "S230726al",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T08:21:44.139959Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T08:21:44.139990Z",
                "modified": "2023-07-26T08:21:44.146156Z"
            }
        },
        {
            "id": 867,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1574,
                "topic": "igwn.gwalert",
                "uuid": "5199aaeb-e4b4-4a24-9128-f1d020243af5",
                "title": "S230726ar - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726ar/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726ar/view/"
                    },
                    "event": {
                        "far": 1.611618149473108e-05,
                        "time": "2023-07-26T08:40:50.446Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1305.3114417146674,
                        "area_90": 9463.875143401117,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.8007322359360801,
                            "HasMassGap": 0.9345178399829581,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "4c67d870b40beaa2997474b31cf94220",
                        "classification": {
                            "BBH": 0.032728258169574045,
                            "BNS": 7.773518901865963e-18,
                            "NSBH": 0.0032905335123128592,
                            "Terrestrial": 0.9639812083181131
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-26T08:41:15Z",
                    "superevent_id": "S230726ar",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T08:41:17.051108Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T08:41:17.051142Z",
                "modified": "2023-07-26T08:41:17.057585Z"
            }
        },
        {
            "id": 868,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1575,
                "topic": "igwn.gwalert",
                "uuid": "f7e58255-8434-4a2a-b5b0-719892a79776",
                "title": "S230726ar - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726ar/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726ar/view/"
                    },
                    "event": {
                        "far": 1.611618149473108e-05,
                        "time": "2023-07-26T08:40:50.446Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1305.3114417146674,
                        "area_90": 9463.875143401117,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.8007322359360801,
                            "HasMassGap": 0.9345178399829581,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "4c67d870b40beaa2997474b31cf94220",
                        "classification": {
                            "BBH": 0.032728258169574045,
                            "BNS": 7.773518901865963e-18,
                            "NSBH": 0.0032905335123128592,
                            "Terrestrial": 0.9639812083181131
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-26T08:45:50Z",
                    "superevent_id": "S230726ar",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T08:45:51.388008Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T08:45:51.388030Z",
                "modified": "2023-07-26T08:45:51.394162Z"
            }
        },
        {
            "id": 869,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1576,
                "topic": "igwn.gwalert",
                "uuid": "e9f05582-df56-45ab-912c-ffeaaaaa2395",
                "title": "S230726at - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726at/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726at/view/"
                    },
                    "event": {
                        "far": 1.31413e-05,
                        "time": "2023-07-26T09:31:29.832Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 460.7722112209306,
                        "area_90": 1415.8883794712387,
                        "duration": 0.006133,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "2ed82ee256ba4a810212b52674c02f27",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 157.344788
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-26T09:32:41Z",
                    "superevent_id": "S230726at",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T09:32:42.429169Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T09:32:42.429208Z",
                "modified": "2023-07-26T09:32:42.440977Z"
            }
        },
        {
            "id": 870,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1577,
                "topic": "igwn.gwalert",
                "uuid": "c375a30f-c340-418f-a2d1-c6e42bff2555",
                "title": "S230726at - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726at/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726at/view/"
                    },
                    "event": {
                        "far": 1.31413e-05,
                        "time": "2023-07-26T09:31:29.832Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 460.7722112209306,
                        "area_90": 1415.8883794712387,
                        "duration": 0.006133,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "2ed82ee256ba4a810212b52674c02f27",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 157.344788
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-26T09:37:14Z",
                    "superevent_id": "S230726at",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T09:37:15.302066Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T09:37:15.302087Z",
                "modified": "2023-07-26T09:37:15.308138Z"
            }
        },
        {
            "id": 871,
            "sequence_number": 4,
            "sequence_type": "UPDATE",
            "message": {
                "id": 1580,
                "topic": "igwn.gwalert",
                "uuid": "a9f3cee3-a225-4376-9bf1-648fd74c1838",
                "title": "S230726a - UPDATE",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230726a/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230726a/view/"
                    },
                    "event": {
                        "far": 3.832054318795527e-14,
                        "time": "2023-07-26T00:29:40.060Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 10424.027073522693,
                        "area_90": 27773.905307327936,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "6a46ea0df8a864a54794805884d3fc7f",
                        "classification": {
                            "BBH": 0.9999998589269592,
                            "BNS": 3.8818043107879957e-25,
                            "NSBH": 3.038812522528842e-23,
                            "Terrestrial": 1.4107304080468452e-07
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "UPDATE",
                    "sequence_num": 4,
                    "time_created": "2023-07-26T17:17:32Z",
                    "superevent_id": "S230726a",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-26T17:17:33.002656Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-26T17:17:33.002707Z",
                "modified": "2023-07-26T17:17:33.031182Z"
            }
        },
        {
            "id": 872,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1588,
                "topic": "igwn.gwalert",
                "uuid": "f4684fd5-0189-4fa2-971d-4e8adbf93715",
                "title": "S230728b - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230728b/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230728b/view/"
                    },
                    "event": {
                        "far": 2.270252933287646e-05,
                        "time": "2023-07-28T00:16:26.584Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 353.8671831621583,
                        "area_90": 3094.4756698935735,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "b05cd8bdb80fb7498df1028586f1a996",
                        "classification": {
                            "BBH": 0.06494524382429355,
                            "BNS": 3.764133243094051e-15,
                            "NSBH": 2.646069894769005e-13,
                            "Terrestrial": 0.9350547561754381
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-28T00:17:01Z",
                    "superevent_id": "S230728b",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-28T00:17:02.067219Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-28T00:17:02.067243Z",
                "modified": "2023-07-28T00:17:02.074025Z"
            }
        },
        {
            "id": 873,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1589,
                "topic": "igwn.gwalert",
                "uuid": "624fbad9-fa69-435c-a1a0-cd2d4e0a0a8b",
                "title": "S230728b - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230728b/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230728b/view/"
                    },
                    "event": {
                        "far": 2.270252933287646e-05,
                        "time": "2023-07-28T00:16:26.584Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 353.8671831621583,
                        "area_90": 3094.4756698935735,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "b05cd8bdb80fb7498df1028586f1a996",
                        "classification": {
                            "BBH": 0.06494524382429355,
                            "BNS": 3.764133243094051e-15,
                            "NSBH": 2.646069894769005e-13,
                            "Terrestrial": 0.9350547561754381
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-28T00:21:36Z",
                    "superevent_id": "S230728b",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-28T00:21:37.747735Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-28T00:21:37.747756Z",
                "modified": "2023-07-28T00:21:37.753741Z"
            }
        },
        {
            "id": 874,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1590,
                "topic": "igwn.gwalert",
                "uuid": "64354c50-b8b1-4ffa-b0c5-6e18d874a040",
                "title": "S230728d - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230728d/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230728d/view/"
                    },
                    "event": {
                        "far": 9.74124871909898e-06,
                        "time": "2023-07-28T00:24:23.727Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1330.0706042483969,
                        "area_90": 6676.580947654833,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.026260429225946468,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "97f27fe28d15d9accb9a2d07c07ce3cc",
                        "classification": {
                            "BBH": 0.19508455751749215,
                            "BNS": 8.733007588062513e-15,
                            "NSBH": 6.687457018065712e-13,
                            "Terrestrial": 0.8049154424818303
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-28T00:24:47Z",
                    "superevent_id": "S230728d",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-28T00:24:48.307431Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-28T00:24:48.307455Z",
                "modified": "2023-07-28T00:24:48.313328Z"
            }
        },
        {
            "id": 875,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1591,
                "topic": "igwn.gwalert",
                "uuid": "57ae21f3-44b7-40fd-b465-c5029668fe79",
                "title": "S230728d - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230728d/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230728d/view/"
                    },
                    "event": {
                        "far": 9.74124871909898e-06,
                        "time": "2023-07-28T00:24:23.727Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1330.0706042483969,
                        "area_90": 6676.580947654833,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.026260429225946468,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "97f27fe28d15d9accb9a2d07c07ce3cc",
                        "classification": {
                            "BBH": 0.19508455751749215,
                            "BNS": 8.733007588062513e-15,
                            "NSBH": 6.687457018065712e-13,
                            "Terrestrial": 0.8049154424818303
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-28T00:29:23Z",
                    "superevent_id": "S230728d",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-28T00:29:24.742790Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-28T00:29:24.742813Z",
                "modified": "2023-07-28T00:29:24.748899Z"
            }
        },
        {
            "id": 876,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1595,
                "topic": "igwn.gwalert",
                "uuid": "2559409d-47df-45f3-bd5b-99c4195c8a1d",
                "title": "S230728ac - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230728ac/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230728ac/view/"
                    },
                    "event": {
                        "far": 1.881228159040418e-05,
                        "time": "2023-07-28T05:36:16.021Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 563.166035936693,
                        "area_90": 1865.749773304424,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "cd5792b2d8c4ee47bc644bc9c07887dc",
                        "classification": {
                            "BBH": 0.08334905414007275,
                            "BNS": 9.78238581709683e-16,
                            "NSBH": 6.434610322109553e-14,
                            "Terrestrial": 0.916650945859862
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-28T05:36:40Z",
                    "superevent_id": "S230728ac",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-28T05:36:41.898421Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-28T05:36:41.898443Z",
                "modified": "2023-07-28T05:36:41.906992Z"
            }
        },
        {
            "id": 877,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1596,
                "topic": "igwn.gwalert",
                "uuid": "805e814c-dc2c-4e4c-a3aa-9c83979067c4",
                "title": "S230728ac - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230728ac/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230728ac/view/"
                    },
                    "event": {
                        "far": 1.881228159040418e-05,
                        "time": "2023-07-28T05:36:16.021Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 563.166035936693,
                        "area_90": 1865.749773304424,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "cd5792b2d8c4ee47bc644bc9c07887dc",
                        "classification": {
                            "BBH": 0.08334905414007275,
                            "BNS": 9.78238581709683e-16,
                            "NSBH": 6.434610322109553e-14,
                            "Terrestrial": 0.916650945859862
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-28T05:41:14Z",
                    "superevent_id": "S230728ac",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-28T05:41:16.459714Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-28T05:41:16.459735Z",
                "modified": "2023-07-28T05:41:16.465873Z"
            }
        },
        {
            "id": 878,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1597,
                "topic": "igwn.gwalert",
                "uuid": "811d4018-2928-4eb3-811f-5a681e5899c8",
                "title": "S230728ak - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230728ak/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230728ak/view/"
                    },
                    "event": {
                        "far": 1.16606242954731e-05,
                        "time": "2023-07-28T06:34:36.693Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 558.1302740654262,
                        "area_90": 2519.5595229239234,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.9850688881185541,
                            "HasRemnant": 0.004404138398940275
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "124272da5761cf6d61daab112ef3cefd",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0284163209751564,
                            "NSBH": 0.05969406337421812,
                            "Terrestrial": 0.9118896156506255
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-28T06:35:01Z",
                    "superevent_id": "S230728ak",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-28T06:35:02.709618Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-28T06:35:02.709648Z",
                "modified": "2023-07-28T06:35:02.714988Z"
            }
        },
        {
            "id": 879,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1598,
                "topic": "igwn.gwalert",
                "uuid": "0ae80950-00a1-4d1f-bbbf-2e3dcedd16fb",
                "title": "S230728ak - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230728ak/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230728ak/view/"
                    },
                    "event": {
                        "far": 1.16606242954731e-05,
                        "time": "2023-07-28T06:34:36.693Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 558.1302740654262,
                        "area_90": 2519.5595229239234,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.9850688881185541,
                            "HasRemnant": 0.004404138398940275
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "124272da5761cf6d61daab112ef3cefd",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.0284163209751564,
                            "NSBH": 0.05969406337421812,
                            "Terrestrial": 0.9118896156506255
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-28T06:39:35Z",
                    "superevent_id": "S230728ak",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-28T06:39:37.394816Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-28T06:39:37.394837Z",
                "modified": "2023-07-28T06:39:37.400576Z"
            }
        },
        {
            "id": 880,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1600,
                "topic": "igwn.gwalert",
                "uuid": "c0bf6b34-c0e8-473b-b01c-90704ff2f384",
                "title": "S230728ap - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230728ap/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230728ap/view/"
                    },
                    "event": {
                        "far": 1.025821224223146e-07,
                        "time": "2023-07-28T08:36:28.884Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 593.1707837529923,
                        "area_90": 3494.818738659299,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "8302f29820aaa7df1e5352238f785763",
                        "classification": {
                            "BBH": 0.9402063109317683,
                            "BNS": 1.0260122836667803e-38,
                            "NSBH": 1.9387341332654792e-32,
                            "Terrestrial": 0.05979368906823168
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-28T08:36:55Z",
                    "superevent_id": "S230728ap",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-28T08:36:56.510851Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-28T08:36:56.510875Z",
                "modified": "2023-07-28T08:36:56.517627Z"
            }
        },
        {
            "id": 881,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1601,
                "topic": "igwn.gwalert",
                "uuid": "db0b14f7-9407-464d-9dc1-35b158aa7037",
                "title": "S230728ap - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230728ap/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230728ap/view/"
                    },
                    "event": {
                        "far": 1.025821224223146e-07,
                        "time": "2023-07-28T08:36:28.884Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 593.1707837529923,
                        "area_90": 3494.818738659299,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "8302f29820aaa7df1e5352238f785763",
                        "classification": {
                            "BBH": 0.9402063109317683,
                            "BNS": 1.0260122836667803e-38,
                            "NSBH": 1.9387341332654792e-32,
                            "Terrestrial": 0.05979368906823168
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-28T08:41:30Z",
                    "superevent_id": "S230728ap",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-28T08:41:31.231541Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-28T08:41:31.231563Z",
                "modified": "2023-07-28T08:41:31.236532Z"
            }
        },
        {
            "id": 882,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1610,
                "topic": "igwn.gwalert",
                "uuid": "80e6292e-8553-4104-94a5-ba1601c63933",
                "title": "S230728ax - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230728ax/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230728ax/view/"
                    },
                    "event": {
                        "far": 5.97544e-06,
                        "time": "2023-07-28T20:29:31.469Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 2737.775870678827,
                        "area_90": 8907.423456626115,
                        "duration": 0.067701,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "fd9873a01c3b0eb5c7bd51649b1024ec",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 20.550705
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-28T20:30:48Z",
                    "superevent_id": "S230728ax",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-28T20:30:49.213877Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-28T20:30:49.213906Z",
                "modified": "2023-07-28T20:30:49.218330Z"
            }
        },
        {
            "id": 883,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1611,
                "topic": "igwn.gwalert",
                "uuid": "3c029c81-3da4-4718-ba6f-22c5052b1eb6",
                "title": "S230728ax - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230728ax/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230728ax/view/"
                    },
                    "event": {
                        "far": 5.97544e-06,
                        "time": "2023-07-28T20:29:31.469Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 2737.775870678827,
                        "area_90": 8907.423456626115,
                        "duration": 0.067701,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "fd9873a01c3b0eb5c7bd51649b1024ec",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 20.550705
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-28T20:35:24Z",
                    "superevent_id": "S230728ax",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-28T20:35:24.977382Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-28T20:35:24.977402Z",
                "modified": "2023-07-28T20:35:24.980880Z"
            }
        },
        {
            "id": 884,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1612,
                "topic": "igwn.gwalert",
                "uuid": "037ced84-1e0c-4bd8-8918-1dc7c06f0c9c",
                "title": "S230729a - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230729a/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230729a/view/"
                    },
                    "event": {
                        "far": 1.0494e-05,
                        "time": "2023-07-29T02:49:26.555Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 48.67903142224767,
                        "area_90": 636.1845830700646,
                        "duration": 0.020431,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "350a4e947b4c4f7a0e885c74221aef24",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 56.576756
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-29T02:53:01Z",
                    "superevent_id": "S230729a",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-29T02:53:02.753878Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-29T02:53:02.753902Z",
                "modified": "2023-07-29T02:53:02.762542Z"
            }
        },
        {
            "id": 885,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1613,
                "topic": "igwn.gwalert",
                "uuid": "a7582717-edcb-43e3-8e84-83de1373c6ab",
                "title": "S230729a - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230729a/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230729a/view/"
                    },
                    "event": {
                        "far": 1.0494e-05,
                        "time": "2023-07-29T02:49:26.555Z",
                        "group": "Burst",
                        "search": "BBH",
                        "area_50": 48.67903142224767,
                        "area_90": 636.1845830700646,
                        "duration": 0.020431,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "350a4e947b4c4f7a0e885c74221aef24",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 56.576756
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-29T02:57:34Z",
                    "superevent_id": "S230729a",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-29T02:57:35.332597Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-29T02:57:35.332619Z",
                "modified": "2023-07-29T02:57:35.338274Z"
            }
        },
        {
            "id": 886,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1614,
                "topic": "igwn.gwalert",
                "uuid": "f87cca48-ad43-4410-9327-cbd40830f3c1",
                "title": "S230729c - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230729c/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230729c/view/"
                    },
                    "event": {
                        "far": 6.794503201693606e-07,
                        "time": "2023-07-29T02:57:44.665Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1214.2480812092558,
                        "area_90": 6135.23654649363,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.4074459799907579,
                            "HasMassGap": 0.7744624408518048,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "4cc451feb13f31c38098a7121d5c944c",
                        "classification": {
                            "BBH": 0.7148546290192763,
                            "BNS": 4.4374146370362967e-17,
                            "NSBH": 0.004160448517075938,
                            "Terrestrial": 0.2809849224636477
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-29T02:58:15Z",
                    "superevent_id": "S230729c",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-29T02:58:16.419583Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-29T02:58:16.419604Z",
                "modified": "2023-07-29T02:58:16.425298Z"
            }
        },
        {
            "id": 887,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1615,
                "topic": "igwn.gwalert",
                "uuid": "84935cc5-4ca3-4df5-99cf-1561836e212e",
                "title": "S230729c - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230729c/files/bayestar.multiorder.fits,1",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230729c/view/"
                    },
                    "event": {
                        "far": 2.009072521409061e-06,
                        "time": "2023-07-29T02:57:44.664Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1252.0162952437583,
                        "area_90": 5961.502761934919,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.5598723981974468,
                            "HasMassGap": 0.7036993640025925,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "654fa5161ca28e38a8edc21eddde371f",
                        "classification": {
                            "BBH": 0.45201566652522845,
                            "BNS": 2.932292663539182e-17,
                            "NSBH": 0.005373719613355583,
                            "Terrestrial": 0.542610613861416
                        },
                        "skymap_version": 1,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-29T03:02:51Z",
                    "superevent_id": "S230729c",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-29T03:02:53.047374Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-29T03:02:53.047395Z",
                "modified": "2023-07-29T03:02:53.052964Z"
            }
        },
        {
            "id": 888,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1617,
                "topic": "igwn.gwalert",
                "uuid": "9fefdf10-3c50-4536-a253-cd23a4c6b88b",
                "title": "S230729p - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230729p/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230729p/view/"
                    },
                    "event": {
                        "far": 2.121827947121346e-06,
                        "time": "2023-07-29T05:12:23.473Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 764.8063341986759,
                        "area_90": 2791.4906639723413,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.45594227994228,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "b3a06306e66ad424455d6608f38be091",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.40628406452565347,
                            "NSBH": 0.0,
                            "Terrestrial": 0.5937159354743465
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-29T05:12:49Z",
                    "superevent_id": "S230729p",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-29T05:12:50.115366Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-29T05:12:50.115389Z",
                "modified": "2023-07-29T05:12:50.122992Z"
            }
        },
        {
            "id": 889,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1618,
                "topic": "igwn.gwalert",
                "uuid": "416c753a-4766-4763-a728-d962a1f90315",
                "title": "S230729p - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230729p/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230729p/view/"
                    },
                    "event": {
                        "far": 2.121827947121346e-06,
                        "time": "2023-07-29T05:12:23.473Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 764.8063341986759,
                        "area_90": 2791.4906639723413,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.45594227994228,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "b3a06306e66ad424455d6608f38be091",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.40628406452565347,
                            "NSBH": 0.0,
                            "Terrestrial": 0.5937159354743465
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-29T05:17:23Z",
                    "superevent_id": "S230729p",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-29T05:17:24.731626Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-29T05:17:24.731646Z",
                "modified": "2023-07-29T05:17:24.737184Z"
            }
        },
        {
            "id": 890,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1619,
                "topic": "igwn.gwalert",
                "uuid": "c20ca2bb-c751-4daa-bd3b-d7ed95b5b7e9",
                "title": "S230729q - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230729q/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230729q/view/"
                    },
                    "event": {
                        "far": 8.796531980166534e-06,
                        "time": "2023-07-29T05:28:44.765Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1423.2321988668364,
                        "area_90": 5098.708894657839,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.018157865123382366,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c0d495c312eaa69c0592b99ccf7f0dbe",
                        "classification": {
                            "BBH": 0.19064457035584403,
                            "BNS": 2.6434913496231514e-12,
                            "NSBH": 1.9775604570039772e-10,
                            "Terrestrial": 0.8093554294437564
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-29T05:29:08Z",
                    "superevent_id": "S230729q",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-29T05:29:10.351332Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-29T05:29:10.351361Z",
                "modified": "2023-07-29T05:29:10.363194Z"
            }
        },
        {
            "id": 891,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1620,
                "topic": "igwn.gwalert",
                "uuid": "129974e8-7322-4bbf-bc59-e78e68ff3023",
                "title": "S230729q - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230729q/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230729q/view/"
                    },
                    "event": {
                        "far": 8.796531980166534e-06,
                        "time": "2023-07-29T05:28:44.765Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 1423.2321988668364,
                        "area_90": 5098.708894657839,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.018157865123382366,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c0d495c312eaa69c0592b99ccf7f0dbe",
                        "classification": {
                            "BBH": 0.19064457035584403,
                            "BNS": 2.6434913496231514e-12,
                            "NSBH": 1.9775604570039772e-10,
                            "Terrestrial": 0.8093554294437564
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-29T05:33:43Z",
                    "superevent_id": "S230729q",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-29T05:33:44.165996Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-29T05:33:44.166017Z",
                "modified": "2023-07-29T05:33:44.171577Z"
            }
        },
        {
            "id": 892,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1621,
                "topic": "igwn.gwalert",
                "uuid": "f5124a55-48a8-40eb-889a-a498b9f7e1ee",
                "title": "S230729t - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230729t/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230729t/view/"
                    },
                    "event": {
                        "far": 3.18993e-06,
                        "time": "2023-07-29T06:54:38.466Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 2259.588316319764,
                        "area_90": 8074.0048669314265,
                        "duration": 0.018608,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "636928ccaf44366a8d481f99a9bd0b97",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 30.696079
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-29T06:56:26Z",
                    "superevent_id": "S230729t",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-29T06:56:27.734926Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-29T06:56:27.734950Z",
                "modified": "2023-07-29T06:56:27.740797Z"
            }
        },
        {
            "id": 893,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1622,
                "topic": "igwn.gwalert",
                "uuid": "09125e7b-d638-41a9-8603-79d7b032fd13",
                "title": "S230729t - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230729t/files/cwb.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230729t/view/"
                    },
                    "event": {
                        "far": 3.18993e-06,
                        "time": "2023-07-29T06:54:38.466Z",
                        "group": "Burst",
                        "search": "AllSky",
                        "area_50": 2259.588316319764,
                        "area_90": 8074.0048669314265,
                        "duration": 0.018608,
                        "pipeline": "CWB",
                        "properties": {},
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "636928ccaf44366a8d481f99a9bd0b97",
                        "classification": {},
                        "skymap_version": 0,
                        "central_frequency": 30.696079
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-29T07:01:00Z",
                    "superevent_id": "S230729t",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-29T07:01:01.493535Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-29T07:01:01.493557Z",
                "modified": "2023-07-29T07:01:01.497430Z"
            }
        },
        {
            "id": 894,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1623,
                "topic": "igwn.gwalert",
                "uuid": "25c57d02-ec48-40c2-ac8b-eabcdf915760",
                "title": "S230729w - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230729w/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230729w/view/"
                    },
                    "event": {
                        "far": 2.217662195071765e-05,
                        "time": "2023-07-29T07:53:16.683Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 271.8262293427667,
                        "area_90": 897.4147301420404,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.45594227994228,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "def296616999a6d7cca75f2ccd203e8d",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.001714500507082945,
                            "NSBH": 0.0,
                            "Terrestrial": 0.998285499492917
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-29T07:54:00Z",
                    "superevent_id": "S230729w",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-29T07:54:01.221566Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-29T07:54:01.221588Z",
                "modified": "2023-07-29T07:54:01.225667Z"
            }
        },
        {
            "id": 895,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1624,
                "topic": "igwn.gwalert",
                "uuid": "f260edf6-92eb-499e-a3c7-6168c2cb1f3f",
                "title": "S230729w - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230729w/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230729w/view/"
                    },
                    "event": {
                        "far": 2.217662195071765e-05,
                        "time": "2023-07-29T07:53:16.683Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 271.8262293427667,
                        "area_90": 897.4147301420404,
                        "duration": null,
                        "pipeline": "pycbc",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.45594227994228,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "def296616999a6d7cca75f2ccd203e8d",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.001714500507082945,
                            "NSBH": 0.0,
                            "Terrestrial": 0.998285499492917
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-29T07:58:34Z",
                    "superevent_id": "S230729w",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-29T07:58:35.959169Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-29T07:58:35.959190Z",
                "modified": "2023-07-29T07:58:35.962700Z"
            }
        },
        {
            "id": 896,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1625,
                "topic": "igwn.gwalert",
                "uuid": "8a4b1c24-6790-459e-9821-df0362546c3b",
                "title": "S230729y - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230729y/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230729y/view/"
                    },
                    "event": {
                        "far": 5.797020548925502e-06,
                        "time": "2023-07-29T08:23:14.492Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 51.878838444615255,
                        "area_90": 260.3908534267645,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "f2e8b5b22ef1120e10f6d76fd4c149d7",
                        "classification": {
                            "BBH": 0.12878453863164932,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.8712154613683507
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-29T08:23:45Z",
                    "superevent_id": "S230729y",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-29T08:23:47.074949Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-29T08:23:47.074970Z",
                "modified": "2023-07-29T08:23:47.078816Z"
            }
        },
        {
            "id": 897,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1626,
                "topic": "igwn.gwalert",
                "uuid": "e885fa1c-6eb8-4435-ba5f-02de98281488",
                "title": "S230729z - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230729z/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230729z/view/"
                    },
                    "event": {
                        "far": 3.393122427937458e-09,
                        "time": "2023-07-29T08:23:17.201Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 391.32066207970666,
                        "area_90": 1427.428667092892,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.05507240955925167,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "69c05d3318fb5d62f793a60eb142cfdc",
                        "classification": {
                            "BBH": 0.9970115962123625,
                            "BNS": 1.686900110238534e-19,
                            "NSBH": 1.0474726072022376e-17,
                            "Terrestrial": 0.002988403787637539
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-29T08:23:53Z",
                    "superevent_id": "S230729z",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-29T08:23:55.143861Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-29T08:23:55.143902Z",
                "modified": "2023-07-29T08:23:55.147951Z"
            }
        },
        {
            "id": 898,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1627,
                "topic": "igwn.gwalert",
                "uuid": "7b82dc7e-8ebe-4aa5-8fb8-efaa44eb754c",
                "title": "S230729y - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230729y/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230729y/view/"
                    },
                    "event": {
                        "far": 5.797020548925502e-06,
                        "time": "2023-07-29T08:23:14.492Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 51.878838444615255,
                        "area_90": 260.3908534267645,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.0,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "f2e8b5b22ef1120e10f6d76fd4c149d7",
                        "classification": {
                            "BBH": 0.12878453863164932,
                            "BNS": 0.0,
                            "NSBH": 0.0,
                            "Terrestrial": 0.8712154613683507
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-29T08:28:24Z",
                    "superevent_id": "S230729y",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-29T08:28:25.922958Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-29T08:28:25.922978Z",
                "modified": "2023-07-29T08:28:25.927093Z"
            }
        },
        {
            "id": 899,
            "sequence_number": 2,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1628,
                "topic": "igwn.gwalert",
                "uuid": "217c4604-caa7-48f2-86a1-f401f805fb5a",
                "title": "S230729z - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230729z/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230729z/view/"
                    },
                    "event": {
                        "far": 3.393122427937458e-09,
                        "time": "2023-07-29T08:23:17.201Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 391.32066207970666,
                        "area_90": 1427.428667092892,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.05507240955925167,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": true,
                        "skymap_hash": "69c05d3318fb5d62f793a60eb142cfdc",
                        "classification": {
                            "BBH": 0.9970115962123625,
                            "BNS": 1.686900110238534e-19,
                            "NSBH": 1.0474726072022376e-17,
                            "Terrestrial": 0.002988403787637539
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-07-29T08:28:30Z",
                    "superevent_id": "S230729z",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-29T08:28:30.972821Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-29T08:28:30.972840Z",
                "modified": "2023-07-29T08:28:30.977084Z"
            }
        },
        {
            "id": 900,
            "sequence_number": 1,
            "sequence_type": "PRELIMINARY",
            "message": {
                "id": 1629,
                "topic": "igwn.gwalert",
                "uuid": "a9d77abe-f386-44bf-b4f4-3690dd9c3983",
                "title": "S230729ae - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230729ae/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230729ae/view/"
                    },
                    "event": {
                        "far": 1.535458977741655e-05,
                        "time": "2023-07-29T10:26:04.268Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 679.8278526210453,
                        "area_90": 2686.5789583209457,
                        "duration": null,
                        "pipeline": "spiir",
                        "properties": {
                            "HasNS": 1.0,
                            "HasMassGap": 0.022579365079365078,
                            "HasRemnant": 1.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "593f5a61495bfc3c76594d296df5b4b3",
                        "classification": {
                            "BBH": 0.0,
                            "BNS": 0.11360381618560782,
                            "NSBH": 1.6522508001289545e-05,
                            "Terrestrial": 0.8863796613063909
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-29T10:26:31Z",
                    "superevent_id": "S230729ae",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-29T10:26:32.330191Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-29T10:26:32.330219Z",
                "modified": "2023-07-29T10:26:32.334147Z"
            }
        }
    ]
}