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                            "BNS": 2.7691859903918894e-19,
                            "NSBH": 1.8672859829841294e-17,
                            "Terrestrial": 0.3357996635588091
                        },
                        "skymap_version": 0,
                        "central_frequency": null
                    },
                    "alert_type": "PRELIMINARY",
                    "sequence_num": 1,
                    "time_created": "2023-07-08T05:37:33Z",
                    "superevent_id": "S230708t",
                    "external_coinc": null
                },
                "message_text": "",
                "published": "2023-07-08T05:37:34.341395Z",
                "message_parser": "IGWN Alert Avro Parser v1",
                "retracted": false,
                "created": "2023-07-08T05:37:34.341422Z",
                "modified": "2023-07-08T05:37:34.350364Z"
            }
        }
    ]
}