{
    "event_id": "S250727dc",
    "alert_type": "UPDATE",
    "event_time": "2025-07-27 20:01:48",
    "before_fromdate": "2025-01-28 20:01:48",
    "before_todate": "2025-07-27 20:01:48",
    "after_fromdate": "2025-07-27 20:01:48",
    "after_todate": "2025-08-10 04:01:05",
    "last_processed_datetime": "2025-08-10 04:01:05",
    "public": "1",
    "zip_file": "S250727dc_20250727_200148.zip",
    "current_json": "S250727dc_20250727_200148.json",
    "json_object_list_before": "S250727dc_20250727_200148_BEFORE.json",
    "json_object_list_after": "S250727dc_20250727_200148_AFTER.json",
    "tsv_object_list_before": "S250727dc_20250727_200148_BEFORE.tsv",
    "tsv_object_list_after": "S250727dc_20250727_200148_AFTER.tsv",
    "png_object_list_before": "S250727dc_20250727_200148_BEFORE.png",
    "png_object_list_after": "S250727dc_20250727_200148_AFTER.png",
    "event_page": "https://gracedb.ligo.org/superevents/S250727dc/view/",
    "instruments": "H1, L1, V1",
    "far": "1.119616846984908e-18",
    "group": "CBC",
    "skymap_fits": "S250727dc_20250727_200148.fits",
    "prob_bns": "6.422155497292764e-35",
    "prob_nsbh": "5.3770272240458654e-33",
    "prob_bbh": "0.9999999999918396",
    "prob_mass_gap": "0.0",
    "prob_terrestrial": "8.160361275599826e-12",
    "prob_has_ns": "0.0",
    "prob_has_remnant": "0.0",
    "prob_has_ssm": "",
    "distmean": "1388.6881229453961",
    "diststd": "318.1402310634337",
    "significance": "high"
}