{
  "meta": {
    "subject": "Roblox group 15138252",
    "retrieved": "2026-10-22T22:28:49.535Z",
    "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": 15138252,
    "name": "XXX_UNDERGROUND_XXX",
    "created": "2022-06-19T22:30:25.100Z",
    "owner_user_id": 1326382665,
    "member_count": 850,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T16:22:52.000Z",
    "last_measured": "2026-10-21T13:52:24.829Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T22:53:10.683Z",
      "member_count": 850
    },
    {
      "measured_at": "2026-08-12T10:52:34.147Z",
      "member_count": 849
    },
    {
      "measured_at": "2026-08-16T07:57:20.287Z",
      "member_count": 850
    },
    {
      "measured_at": "2026-08-17T17:50:49.272Z",
      "member_count": 849
    },
    {
      "measured_at": "2026-08-21T02:01:05.761Z",
      "member_count": 848
    },
    {
      "measured_at": "2026-08-21T18:03:00.096Z",
      "member_count": 847
    },
    {
      "measured_at": "2026-08-28T14:15:13.053Z",
      "member_count": 846
    },
    {
      "measured_at": "2026-08-30T23:55:27.224Z",
      "member_count": 848
    },
    {
      "measured_at": "2026-09-05T23:27:40.670Z",
      "member_count": 849
    },
    {
      "measured_at": "2026-09-14T13:26:02.204Z",
      "member_count": 850
    },
    {
      "measured_at": "2026-09-25T12:12:48.996Z",
      "member_count": 851
    },
    {
      "measured_at": "2026-10-03T14:29:16.884Z",
      "member_count": 852
    },
    {
      "measured_at": "2026-10-04T20:40:52.287Z",
      "member_count": 851
    },
    {
      "measured_at": "2026-10-10T00:35:29.411Z",
      "member_count": 852
    },
    {
      "measured_at": "2026-10-21T10:54:58.794Z",
      "member_count": 850
    }
  ],
  "name_history": [
    {
      "name": "XXX_UNDERGROUND_XXX",
      "first_seen": "2026-08-10T16:22:35.157Z",
      "last_seen": "2026-10-21T13:52:24.829Z",
      "current": true
    }
  ],
  "ownership_events": []
}