{
  "meta": {
    "subject": "Roblox group 15811509",
    "retrieved": "2026-10-19T17:08:08.563Z",
    "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": 15811509,
    "name": "Tai Chi Martial Arts",
    "created": "2022-08-31T15:41:13.383Z",
    "owner_user_id": 24266025,
    "member_count": 4744,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T12:03:15.265Z",
    "last_measured": "2026-10-19T16:10:13.396Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T12:03:15.265Z",
      "member_count": 4755
    },
    {
      "measured_at": "2026-08-11T00:22:13.576Z",
      "member_count": 4754
    },
    {
      "measured_at": "2026-08-11T06:10:38.964Z",
      "member_count": 4753
    },
    {
      "measured_at": "2026-08-21T19:12:09.816Z",
      "member_count": 4752
    },
    {
      "measured_at": "2026-08-25T19:50:04.269Z",
      "member_count": 4751
    },
    {
      "measured_at": "2026-09-13T02:12:38.611Z",
      "member_count": 4750
    },
    {
      "measured_at": "2026-10-02T09:57:52.371Z",
      "member_count": 4749
    },
    {
      "measured_at": "2026-10-03T02:21:13.953Z",
      "member_count": 4748
    },
    {
      "measured_at": "2026-10-04T13:31:51.561Z",
      "member_count": 4747
    },
    {
      "measured_at": "2026-10-04T14:40:19.902Z",
      "member_count": 4746
    },
    {
      "measured_at": "2026-10-16T16:41:50.947Z",
      "member_count": 4745
    },
    {
      "measured_at": "2026-10-17T17:32:37.612Z",
      "member_count": 4744
    }
  ],
  "name_history": [
    {
      "name": "Tai Chi Martial Arts",
      "first_seen": "2026-08-10T12:03:15.265Z",
      "last_seen": "2026-10-19T16:10:13.396Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-10T16:31:55.887Z",
      "previous_owner": null,
      "new_owner": 24266025
    }
  ]
}