{
  "meta": {
    "subject": "Roblox group 457764042",
    "retrieved": "2026-10-19T18:03:37.315Z",
    "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": 457764042,
    "name": "Undertale Boss Rush Calamity Group",
    "created": "2026-04-15T17:24:27.532Z",
    "owner_user_id": 112631465,
    "member_count": 449,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-11T09:51:18.408Z",
    "last_measured": "2026-10-16T23:05:12.967Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-11T09:51:18.406Z",
      "member_count": 391
    },
    {
      "measured_at": "2026-08-11T16:05:42.089Z",
      "member_count": 392
    },
    {
      "measured_at": "2026-08-12T00:20:29.546Z",
      "member_count": 393
    },
    {
      "measured_at": "2026-08-13T01:49:37.499Z",
      "member_count": 397
    },
    {
      "measured_at": "2026-08-13T18:18:14.076Z",
      "member_count": 399
    },
    {
      "measured_at": "2026-08-15T01:14:14.352Z",
      "member_count": 400
    },
    {
      "measured_at": "2026-08-16T15:55:47.712Z",
      "member_count": 401
    },
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      "measured_at": "2026-08-18T20:10:53.689Z",
      "member_count": 403
    },
    {
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      "member_count": 411
    },
    {
      "measured_at": "2026-08-21T23:04:15.449Z",
      "member_count": 412
    },
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      "measured_at": "2026-08-25T10:13:21.499Z",
      "member_count": 419
    },
    {
      "measured_at": "2026-08-27T08:32:44.265Z",
      "member_count": 418
    },
    {
      "measured_at": "2026-08-29T17:55:25.903Z",
      "member_count": 422
    },
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      "measured_at": "2026-09-03T03:06:47.173Z",
      "member_count": 425
    },
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      "measured_at": "2026-09-05T15:07:17.318Z",
      "member_count": 426
    },
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      "member_count": 430
    },
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      "measured_at": "2026-09-11T13:58:13.354Z",
      "member_count": 429
    },
    {
      "measured_at": "2026-09-13T09:57:15.671Z",
      "member_count": 431
    },
    {
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      "member_count": 432
    },
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      "member_count": 434
    },
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      "member_count": 435
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      "member_count": 436
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      "member_count": 437
    },
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      "measured_at": "2026-09-27T06:55:45.204Z",
      "member_count": 438
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      "member_count": 440
    },
    {
      "measured_at": "2026-10-07T22:38:13.051Z",
      "member_count": 443
    },
    {
      "measured_at": "2026-10-10T00:12:43.836Z",
      "member_count": 441
    },
    {
      "measured_at": "2026-10-11T13:59:09.300Z",
      "member_count": 443
    },
    {
      "measured_at": "2026-10-14T20:29:37.082Z",
      "member_count": 447
    },
    {
      "measured_at": "2026-10-16T19:24:56.153Z",
      "member_count": 449
    }
  ],
  "name_history": [
    {
      "name": "Undertale Boss Rush Calamity Group",
      "first_seen": "2026-08-11T09:51:18.406Z",
      "last_seen": "2026-10-16T23:05:12.967Z",
      "current": true
    }
  ],
  "ownership_events": []
}