{
  "meta": {
    "subject": "Roblox group 12830117",
    "retrieved": "2026-10-23T09:09:28.583Z",
    "licence": "Measured by roregister.com from public Roblox APIs. Free to reuse with attribution to roregister.com. Not affiliated with Roblox Corporation.",
    "notes": {
      "member_history": "insert-on-change; a point exists only where the value differed from the prior reading.",
      "detection_dates": "ownership/name changes are dated when this register observed them, not when they happened."
    }
  },
  "group": {
    "id": 12830117,
    "name": "Advanced Monsters",
    "created": "2021-11-07T15:53:18.113Z",
    "owner_user_id": 2667648056,
    "member_count": 4443,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T15:45:58.774Z",
    "last_measured": "2026-10-23T06:30:51.733Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-12T08:28:55.614Z",
      "member_count": 4445
    },
    {
      "measured_at": "2026-08-17T12:29:41.472Z",
      "member_count": 4446
    },
    {
      "measured_at": "2026-08-20T20:24:04.365Z",
      "member_count": 4445
    },
    {
      "measured_at": "2026-08-28T17:37:14.065Z",
      "member_count": 4444
    },
    {
      "measured_at": "2026-08-28T22:03:28.014Z",
      "member_count": 4443
    },
    {
      "measured_at": "2026-08-30T20:18:21.041Z",
      "member_count": 4442
    },
    {
      "measured_at": "2026-09-02T16:10:47.518Z",
      "member_count": 4443
    },
    {
      "measured_at": "2026-09-08T00:34:02.981Z",
      "member_count": 4444
    },
    {
      "measured_at": "2026-09-09T15:06:42.167Z",
      "member_count": 4443
    },
    {
      "measured_at": "2026-09-10T11:36:21.600Z",
      "member_count": 4444
    },
    {
      "measured_at": "2026-09-17T02:36:01.084Z",
      "member_count": 4443
    },
    {
      "measured_at": "2026-09-18T08:51:37.811Z",
      "member_count": 4442
    },
    {
      "measured_at": "2026-09-24T12:32:05.245Z",
      "member_count": 4443
    },
    {
      "measured_at": "2026-10-07T02:17:31.298Z",
      "member_count": 4444
    },
    {
      "measured_at": "2026-10-09T22:29:36.229Z",
      "member_count": 4443
    },
    {
      "measured_at": "2026-10-15T06:52:27.444Z",
      "member_count": 4442
    },
    {
      "measured_at": "2026-10-17T23:59:26.812Z",
      "member_count": 4443
    }
  ],
  "name_history": [
    {
      "name": "Advanced Monsters",
      "first_seen": "2026-08-10T15:45:54.918Z",
      "last_seen": "2026-10-23T06:30:51.733Z",
      "current": true
    }
  ],
  "ownership_events": []
}