{
  "meta": {
    "subject": "Roblox group 13294312",
    "retrieved": "2026-10-24T03:52:33.144Z",
    "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": 13294312,
    "name": "Advanced Monster",
    "created": "2021-12-20T17:31:26.487Z",
    "owner_user_id": 3149218323,
    "member_count": 12517,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T12:14:52.525Z",
    "last_measured": "2026-10-24T03:44:05.317Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T12:14:52.524Z",
      "member_count": 12543
    },
    {
      "measured_at": "2026-08-11T11:00:24.842Z",
      "member_count": 12542
    },
    {
      "measured_at": "2026-08-11T20:30:54.852Z",
      "member_count": 12543
    },
    {
      "measured_at": "2026-08-13T22:04:59.693Z",
      "member_count": 12542
    },
    {
      "measured_at": "2026-08-16T01:56:05.621Z",
      "member_count": 12541
    },
    {
      "measured_at": "2026-08-16T14:30:48.986Z",
      "member_count": 12540
    },
    {
      "measured_at": "2026-08-17T10:20:42.832Z",
      "member_count": 12539
    },
    {
      "measured_at": "2026-08-23T03:41:06.562Z",
      "member_count": 12540
    },
    {
      "measured_at": "2026-08-23T15:10:25.641Z",
      "member_count": 12541
    },
    {
      "measured_at": "2026-08-25T19:34:25.899Z",
      "member_count": 12540
    },
    {
      "measured_at": "2026-08-28T20:00:55.928Z",
      "member_count": 12539
    },
    {
      "measured_at": "2026-08-30T22:58:50.337Z",
      "member_count": 12538
    },
    {
      "measured_at": "2026-09-02T11:50:51.010Z",
      "member_count": 12537
    },
    {
      "measured_at": "2026-09-04T21:26:57.729Z",
      "member_count": 12539
    },
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      "member_count": 12538
    },
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      "member_count": 12537
    },
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      "member_count": 12536
    },
    {
      "measured_at": "2026-09-10T10:00:57.930Z",
      "member_count": 12535
    },
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      "measured_at": "2026-09-11T03:11:04.366Z",
      "member_count": 12534
    },
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      "member_count": 12535
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    },
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    },
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    },
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      "member_count": 12532
    },
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      "member_count": 12531
    },
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      "member_count": 12530
    },
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      "member_count": 12529
    },
    {
      "measured_at": "2026-09-25T01:41:29.123Z",
      "member_count": 12527
    },
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      "measured_at": "2026-09-26T17:40:56.094Z",
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    },
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      "member_count": 12527
    },
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      "member_count": 12524
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      "member_count": 12523
    },
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    },
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    },
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      "member_count": 12520
    },
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      "measured_at": "2026-10-10T11:51:46.078Z",
      "member_count": 12519
    },
    {
      "measured_at": "2026-10-11T05:01:47.742Z",
      "member_count": 12518
    },
    {
      "measured_at": "2026-10-11T10:50:22.315Z",
      "member_count": 12519
    },
    {
      "measured_at": "2026-10-11T22:00:48.501Z",
      "member_count": 12517
    },
    {
      "measured_at": "2026-10-14T09:21:49.198Z",
      "member_count": 12516
    },
    {
      "measured_at": "2026-10-15T00:40:55.764Z",
      "member_count": 12515
    },
    {
      "measured_at": "2026-10-16T04:33:54.738Z",
      "member_count": 12516
    },
    {
      "measured_at": "2026-10-17T06:01:38.817Z",
      "member_count": 12517
    },
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      "measured_at": "2026-10-17T17:31:56.906Z",
      "member_count": 12516
    },
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      "measured_at": "2026-10-23T22:45:42.256Z",
      "member_count": 12517
    }
  ],
  "name_history": [
    {
      "name": "Advanced Monster",
      "first_seen": "2026-08-10T12:14:52.524Z",
      "last_seen": "2026-10-24T03:44:05.317Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-10T15:52:59.493Z",
      "previous_owner": null,
      "new_owner": 3149218323
    }
  ]
}