{
  "meta": {
    "subject": "Roblox group 34657639",
    "retrieved": "2026-10-18T11:31:40.413Z",
    "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": 34657639,
    "name": "수도권 지하철 9호선 Seoul Metro Line 9",
    "created": "2024-07-21T11:52:31.813Z",
    "owner_user_id": 2590701734,
    "member_count": 2071,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T19:34:56.789Z",
    "last_measured": "2026-10-18T08:42:35.316Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-11T09:27:31.100Z",
      "member_count": 2033
    },
    {
      "measured_at": "2026-08-13T16:16:38.781Z",
      "member_count": 2032
    },
    {
      "measured_at": "2026-08-17T17:35:36.433Z",
      "member_count": 2030
    },
    {
      "measured_at": "2026-08-18T15:19:37.577Z",
      "member_count": 2029
    },
    {
      "measured_at": "2026-08-23T05:49:22.762Z",
      "member_count": 2028
    },
    {
      "measured_at": "2026-08-27T07:15:07.599Z",
      "member_count": 2027
    },
    {
      "measured_at": "2026-08-28T23:49:41.299Z",
      "member_count": 2026
    },
    {
      "measured_at": "2026-09-18T08:20:52.213Z",
      "member_count": 2023
    },
    {
      "measured_at": "2026-09-26T13:05:36.097Z",
      "member_count": 2021
    },
    {
      "measured_at": "2026-10-02T16:51:46.544Z",
      "member_count": 2073
    },
    {
      "measured_at": "2026-10-08T02:03:17.118Z",
      "member_count": 2072
    },
    {
      "measured_at": "2026-10-14T10:45:11.364Z",
      "member_count": 2071
    }
  ],
  "name_history": [
    {
      "name": "수도권 지하철 9호선 Seoul Metro Line 9",
      "first_seen": "2026-08-10T19:34:41.258Z",
      "last_seen": "2026-10-18T08:42:35.316Z",
      "current": true
    }
  ],
  "ownership_events": []
}