{
  "meta": {
    "subject": "Roblox group 609222746",
    "retrieved": "2026-10-19T23:15:07.460Z",
    "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": 609222746,
    "name": "長海鉄道公式グループ",
    "created": "2025-07-02T00:58:44.597Z",
    "owner_user_id": 7708827057,
    "member_count": 399,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T20:23:32.179Z",
    "last_measured": "2026-10-17T08:51:29.882Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T20:23:32.179Z",
      "member_count": 394
    },
    {
      "measured_at": "2026-08-16T02:02:02.146Z",
      "member_count": 395
    },
    {
      "measured_at": "2026-08-17T11:22:46.010Z",
      "member_count": 394
    },
    {
      "measured_at": "2026-09-05T11:05:18.303Z",
      "member_count": 396
    },
    {
      "measured_at": "2026-09-06T17:56:41.090Z",
      "member_count": 397
    },
    {
      "measured_at": "2026-09-19T06:24:28.659Z",
      "member_count": 398
    },
    {
      "measured_at": "2026-09-20T22:08:14.878Z",
      "member_count": 399
    }
  ],
  "name_history": [
    {
      "name": "長海鉄道公式グループ",
      "first_seen": "2026-08-10T20:23:32.179Z",
      "last_seen": "2026-10-17T08:51:29.882Z",
      "current": true
    }
  ],
  "ownership_events": []
}