{
  "meta": {
    "subject": "Roblox group 12498619",
    "retrieved": "2026-09-09T02:12:15.583Z",
    "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": 12498619,
    "name": "Railway Models By kolejarz139",
    "created": "2021-10-06T09:39:59.050Z",
    "owner_user_id": 2948397251,
    "member_count": 375,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T15:42:11.992Z",
    "last_measured": "2026-09-08T11:29:21.480Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-12T02:30:29.028Z",
      "member_count": 369
    },
    {
      "measured_at": "2026-08-15T14:28:25.929Z",
      "member_count": 371
    },
    {
      "measured_at": "2026-08-17T10:46:29.023Z",
      "member_count": 372
    },
    {
      "measured_at": "2026-08-18T15:28:44.934Z",
      "member_count": 373
    },
    {
      "measured_at": "2026-09-05T04:00:54.371Z",
      "member_count": 372
    },
    {
      "measured_at": "2026-09-07T11:36:42.341Z",
      "member_count": 373
    },
    {
      "measured_at": "2026-09-08T11:29:21.480Z",
      "member_count": 375
    }
  ],
  "name_history": [
    {
      "name": "Railway Models By kolejarz139",
      "first_seen": "2026-08-10T15:41:48.822Z",
      "last_seen": "2026-09-08T11:29:21.480Z",
      "current": true
    }
  ],
  "ownership_events": []
}