{
  "meta": {
    "subject": "Roblox group 4297521",
    "retrieved": "2026-10-17T10:56:38.457Z",
    "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": 4297521,
    "name": "Thomas and Friends Collectible Railway Official🚂",
    "created": "2018-07-21T20:01:51.947Z",
    "owner_user_id": 45118484,
    "member_count": 5269,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T12:04:50.033Z",
    "last_measured": "2026-10-17T10:21:05.157Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T12:04:50.033Z",
      "member_count": 5272
    },
    {
      "measured_at": "2026-08-18T18:20:52.566Z",
      "member_count": 5271
    },
    {
      "measured_at": "2026-08-19T07:40:59.489Z",
      "member_count": 5269
    },
    {
      "measured_at": "2026-08-19T08:41:23.103Z",
      "member_count": 5268
    },
    {
      "measured_at": "2026-08-19T12:50:53.463Z",
      "member_count": 5266
    },
    {
      "measured_at": "2026-08-20T19:01:28.302Z",
      "member_count": 5267
    },
    {
      "measured_at": "2026-08-22T05:22:06.811Z",
      "member_count": 5268
    },
    {
      "measured_at": "2026-08-27T16:00:48.140Z",
      "member_count": 5267
    },
    {
      "measured_at": "2026-08-27T21:41:29.917Z",
      "member_count": 5266
    },
    {
      "measured_at": "2026-08-29T19:31:01.096Z",
      "member_count": 5265
    },
    {
      "measured_at": "2026-08-29T21:21:45.669Z",
      "member_count": 5267
    },
    {
      "measured_at": "2026-08-30T11:09:12.563Z",
      "member_count": 5266
    },
    {
      "measured_at": "2026-09-05T14:00:09.832Z",
      "member_count": 5268
    },
    {
      "measured_at": "2026-09-12T00:50:44.647Z",
      "member_count": 5267
    },
    {
      "measured_at": "2026-09-15T20:27:18.469Z",
      "member_count": 5268
    },
    {
      "measured_at": "2026-09-26T23:51:19.880Z",
      "member_count": 5269
    },
    {
      "measured_at": "2026-10-11T13:01:09.788Z",
      "member_count": 5268
    },
    {
      "measured_at": "2026-10-13T22:12:11.791Z",
      "member_count": 5269
    },
    {
      "measured_at": "2026-10-16T03:41:24.404Z",
      "member_count": 5270
    },
    {
      "measured_at": "2026-10-16T17:01:41.225Z",
      "member_count": 5269
    }
  ],
  "name_history": [
    {
      "name": "Thomas and Friends Collectible Railway Official🚂",
      "first_seen": "2026-08-10T12:04:50.033Z",
      "last_seen": "2026-10-17T10:21:05.157Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-10T13:48:47.970Z",
      "previous_owner": null,
      "new_owner": 45118484
    }
  ]
}