{
  "meta": {
    "subject": "Roblox group 17388816",
    "retrieved": "2026-09-05T05:24:24.898Z",
    "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": 17388816,
    "name": "大福鉄道！大福鉄道グループ！",
    "created": "2023-04-10T10:30:01.270Z",
    "owner_user_id": 3069328411,
    "member_count": 1955,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T12:08:34.596Z",
    "last_measured": "2026-09-05T03:31:44.777Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T12:08:34.596Z",
      "member_count": 1957
    },
    {
      "measured_at": "2026-08-12T20:02:51.990Z",
      "member_count": 1956
    },
    {
      "measured_at": "2026-08-15T08:47:55.243Z",
      "member_count": 1957
    },
    {
      "measured_at": "2026-08-19T02:10:17.201Z",
      "member_count": 1956
    },
    {
      "measured_at": "2026-08-23T05:06:08.278Z",
      "member_count": 1955
    },
    {
      "measured_at": "2026-08-26T02:10:16.234Z",
      "member_count": 1954
    },
    {
      "measured_at": "2026-08-27T06:41:47.154Z",
      "member_count": 1955
    },
    {
      "measured_at": "2026-08-31T09:52:15.987Z",
      "member_count": 1954
    },
    {
      "measured_at": "2026-09-01T06:52:49.874Z",
      "member_count": 1956
    },
    {
      "measured_at": "2026-09-05T01:40:38.968Z",
      "member_count": 1955
    }
  ],
  "name_history": [
    {
      "name": "大福鉄道！大福鉄道グループ！",
      "first_seen": "2026-08-10T12:08:34.596Z",
      "last_seen": "2026-09-05T03:31:44.777Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-10T17:00:26.314Z",
      "previous_owner": null,
      "new_owner": 3069328411
    }
  ]
}