{
  "meta": {
    "subject": "Roblox group 641005329",
    "retrieved": "2026-09-09T08:03:59.727Z",
    "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": 641005329,
    "name": "⋆ Black Jack UGC ⋆",
    "created": "2025-09-29T04:03:24.506Z",
    "owner_user_id": 3037600386,
    "member_count": 788,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-11T14:32:09.363Z",
    "last_measured": "2026-09-09T07:02:10.185Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-11T14:32:09.363Z",
      "member_count": 598
    },
    {
      "measured_at": "2026-08-11T16:30:36.077Z",
      "member_count": 607
    },
    {
      "measured_at": "2026-08-12T04:36:58.283Z",
      "member_count": 607
    },
    {
      "measured_at": "2026-08-12T07:41:58.737Z",
      "member_count": 788
    },
    {
      "measured_at": "2026-08-19T21:21:29.005Z",
      "member_count": 789
    },
    {
      "measured_at": "2026-09-04T14:21:07.086Z",
      "member_count": 788
    }
  ],
  "name_history": [
    {
      "name": "⋆ Black Jack UGC ⋆",
      "first_seen": "2026-08-11T14:32:09.363Z",
      "last_seen": "2026-09-09T07:02:10.185Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-12T04:36:58.283Z",
      "previous_owner": null,
      "new_owner": 3037600386
    }
  ]
}