{
  "meta": {
    "subject": "Roblox group 4220538",
    "retrieved": "2026-09-09T03:44:12.343Z",
    "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": 4220538,
    "name": "Murder Madness Fan Group by ZacTheCyborg34",
    "created": "2018-06-21T19:50:21.160Z",
    "owner_user_id": 1016245296,
    "member_count": 15560,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T12:05:55.627Z",
    "last_measured": "2026-09-09T03:21:37.081Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T12:05:55.626Z",
      "member_count": 15571
    },
    {
      "measured_at": "2026-08-21T17:10:35.199Z",
      "member_count": 15570
    },
    {
      "measured_at": "2026-08-22T02:41:24.294Z",
      "member_count": 15569
    },
    {
      "measured_at": "2026-08-23T14:40:54.581Z",
      "member_count": 15568
    },
    {
      "measured_at": "2026-08-25T20:01:49.242Z",
      "member_count": 15567
    },
    {
      "measured_at": "2026-08-27T18:35:10.789Z",
      "member_count": 15566
    },
    {
      "measured_at": "2026-08-28T15:01:32.734Z",
      "member_count": 15565
    },
    {
      "measured_at": "2026-08-30T01:40:30.039Z",
      "member_count": 15564
    },
    {
      "measured_at": "2026-09-03T11:01:54.564Z",
      "member_count": 15562
    },
    {
      "measured_at": "2026-09-07T22:11:52.757Z",
      "member_count": 15561
    },
    {
      "measured_at": "2026-09-08T07:50:20.354Z",
      "member_count": 15560
    }
  ],
  "name_history": [
    {
      "name": "Murder Madness Fan Group by ZacTheCyborg34",
      "first_seen": "2026-08-10T12:05:55.626Z",
      "last_seen": "2026-09-09T03:21:37.081Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-10T13:48:05.824Z",
      "previous_owner": null,
      "new_owner": 1016245296
    }
  ]
}