{
  "meta": {
    "subject": "Roblox group 12418380",
    "retrieved": "2026-10-18T23:33:22.348Z",
    "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": 12418380,
    "name": "GEMSTONE CAVE",
    "created": "2021-09-29T01:40:51.467Z",
    "owner_user_id": 2920940137,
    "member_count": 273,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T15:41:06.776Z",
    "last_measured": "2026-10-17T12:59:07.105Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T23:07:17.621Z",
      "member_count": 279
    },
    {
      "measured_at": "2026-08-23T00:43:15.540Z",
      "member_count": 278
    },
    {
      "measured_at": "2026-08-30T17:47:10.363Z",
      "member_count": 277
    },
    {
      "measured_at": "2026-09-12T06:27:03.159Z",
      "member_count": 276
    },
    {
      "measured_at": "2026-10-09T01:01:55.097Z",
      "member_count": 275
    },
    {
      "measured_at": "2026-10-12T23:59:47.464Z",
      "member_count": 274
    },
    {
      "measured_at": "2026-10-17T12:59:07.105Z",
      "member_count": 273
    }
  ],
  "name_history": [
    {
      "name": "GEMSTONE CAVE",
      "first_seen": "2026-08-10T15:40:47.953Z",
      "last_seen": "2026-10-17T12:59:07.105Z",
      "current": true
    }
  ],
  "ownership_events": []
}