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                "title": "S230907o - PRELIMINARY",
                "submitter": "cody.messick-30d512c8",
                "authors": "LVK",
                "data": {
                    "urls": {
                        "skymap": "https://gracedb.ligo.org/api/superevents/S230907o/files/bayestar.multiorder.fits,0",
                        "gracedb": "https://gracedb.ligo.org/superevents/S230907o/view/"
                    },
                    "event": {
                        "far": 4.891190106616283e-06,
                        "time": "2023-09-07T06:41:53.342Z",
                        "group": "CBC",
                        "search": "AllSky",
                        "area_50": 979.455683961432,
                        "area_90": 3505.7295560470443,
                        "duration": null,
                        "pipeline": "gstlal",
                        "properties": {
                            "HasNS": 0.0,
                            "HasMassGap": 0.004106583072100313,
                            "HasRemnant": 0.0
                        },
                        "instruments": [
                            "H1",
                            "L1"
                        ],
                        "significant": false,
                        "skymap_hash": "c1cb4d844757ca42d6832d85de5e5a7c",
                        "classification": {
                            "BBH": 0.29402419335405433,
                            "BNS": 1.4624558248682907e-13,
                            "NSBH": 1.0176847611165668e-11,
                            "Terrestrial": 0.7059758066356225
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 2,
                    "time_created": "2023-09-07T06:46:53Z",
                    "superevent_id": "S230907o",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-09-07T06:46:55.558094Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-09-07T06:46:55.558114Z",
                "modified": "2023-09-07T06:46:55.567826Z"
            }
        }
    ]
}