View for listing all Superevents, retrieving individual superevents,
creating new superevents, and updating existing superevents.

GET /apiweb/superevents/S190718y/
HTTP 200 OK
Allow: GET, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "superevent_id": "S190718y",
    "gw_id": null,
    "category": "Production",
    "created": "2019-07-18 14:35:34 UTC",
    "submitter": "emfollow",
    "em_type": null,
    "t_start": 1247495729.067865,
    "t_0": 1247495730.067865,
    "t_end": 1247495731.067865,
    "far": 3.648448980026234e-08,
    "coinc_far": null,
    "labels": [
        "ADVOK",
        "SKYMAP_READY",
        "EMBRIGHT_READY",
        "PASTRO_READY",
        "DQOK",
        "GCN_PRELIM_SENT"
    ],
    "links": {
        "logs": "https://gracedb.ligo.org/api/superevents/S190718y/logs/",
        "labels": "https://gracedb.ligo.org/api/superevents/S190718y/labels/",
        "files": "https://gracedb.ligo.org/api/superevents/S190718y/files/",
        "emobservations": "https://gracedb.ligo.org/api/superevents/S190718y/emobservations/",
        "self": "https://gracedb.ligo.org/api/superevents/S190718y/",
        "voevents": "https://gracedb.ligo.org/api/superevents/S190718y/voevents/"
    }
}