{
  "meta": {
    "subject": "Roblox group 4917481",
    "retrieved": "2026-09-08T06:26:53.240Z",
    "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": 4917481,
    "name": "The Purple Mask Society",
    "created": "2019-05-12T11:15:35.443Z",
    "owner_user_id": 136977687,
    "member_count": 18351,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T12:03:15.765Z",
    "last_measured": "2026-09-08T06:21:09.722Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T12:03:15.764Z",
      "member_count": 18331
    },
    {
      "measured_at": "2026-08-10T17:31:05.648Z",
      "member_count": 18332
    },
    {
      "measured_at": "2026-08-10T18:41:20.492Z",
      "member_count": 18333
    },
    {
      "measured_at": "2026-08-10T19:21:55.274Z",
      "member_count": 18334
    },
    {
      "measured_at": "2026-08-10T21:32:06.494Z",
      "member_count": 18333
    },
    {
      "measured_at": "2026-08-12T15:42:43.573Z",
      "member_count": 18332
    },
    {
      "measured_at": "2026-08-12T20:23:59.441Z",
      "member_count": 18333
    },
    {
      "measured_at": "2026-08-14T09:21:53.702Z",
      "member_count": 18332
    },
    {
      "measured_at": "2026-08-14T15:03:15.309Z",
      "member_count": 18333
    },
    {
      "measured_at": "2026-08-14T18:51:56.856Z",
      "member_count": 18334
    },
    {
      "measured_at": "2026-08-15T01:28:42.920Z",
      "member_count": 18335
    },
    {
      "measured_at": "2026-08-16T03:50:58.924Z",
      "member_count": 18336
    },
    {
      "measured_at": "2026-08-16T14:22:50.197Z",
      "member_count": 18337
    },
    {
      "measured_at": "2026-08-16T18:12:10.977Z",
      "member_count": 18338
    },
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      "member_count": 18339
    },
    {
      "measured_at": "2026-08-17T09:14:38.336Z",
      "member_count": 18338
    },
    {
      "measured_at": "2026-08-18T00:41:17.506Z",
      "member_count": 18339
    },
    {
      "measured_at": "2026-08-18T02:40:17.198Z",
      "member_count": 18340
    },
    {
      "measured_at": "2026-08-18T13:00:17.831Z",
      "member_count": 18339
    },
    {
      "measured_at": "2026-08-18T18:40:58.844Z",
      "member_count": 18340
    },
    {
      "measured_at": "2026-08-19T08:20:10.830Z",
      "member_count": 18339
    },
    {
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      "member_count": 18340
    },
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      "member_count": 18341
    },
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      "member_count": 18340
    },
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      "measured_at": "2026-08-24T00:20:10.251Z",
      "member_count": 18343
    },
    {
      "measured_at": "2026-08-24T10:20:58.693Z",
      "member_count": 18342
    },
    {
      "measured_at": "2026-08-24T12:10:44.069Z",
      "member_count": 18341
    },
    {
      "measured_at": "2026-08-25T06:50:18.793Z",
      "member_count": 18342
    },
    {
      "measured_at": "2026-08-26T02:30:09.887Z",
      "member_count": 18343
    },
    {
      "measured_at": "2026-08-26T07:06:06.207Z",
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    },
    {
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      "member_count": 18343
    },
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      "member_count": 18342
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    },
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      "measured_at": "2026-08-30T17:11:13.686Z",
      "member_count": 18345
    },
    {
      "measured_at": "2026-09-01T01:20:49.458Z",
      "member_count": 18347
    },
    {
      "measured_at": "2026-09-02T07:11:21.875Z",
      "member_count": 18348
    },
    {
      "measured_at": "2026-09-03T04:21:59.611Z",
      "member_count": 18349
    },
    {
      "measured_at": "2026-09-03T07:26:28.724Z",
      "member_count": 18350
    },
    {
      "measured_at": "2026-09-04T01:01:39.732Z",
      "member_count": 18349
    },
    {
      "measured_at": "2026-09-04T10:50:44.503Z",
      "member_count": 18348
    },
    {
      "measured_at": "2026-09-04T22:01:30.291Z",
      "member_count": 18347
    },
    {
      "measured_at": "2026-09-05T01:51:11.704Z",
      "member_count": 18346
    },
    {
      "measured_at": "2026-09-05T06:51:41.523Z",
      "member_count": 18348
    },
    {
      "measured_at": "2026-09-05T21:10:58.308Z",
      "member_count": 18350
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    {
      "measured_at": "2026-09-05T21:50:52.833Z",
      "member_count": 18349
    },
    {
      "measured_at": "2026-09-07T22:57:45.654Z",
      "member_count": 18352
    },
    {
      "measured_at": "2026-09-08T02:50:03.407Z",
      "member_count": 18351
    }
  ],
  "name_history": [
    {
      "name": "The Purple Mask Society",
      "first_seen": "2026-08-10T12:03:15.764Z",
      "last_seen": "2026-09-08T06:21:09.722Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-10T13:56:32.494Z",
      "previous_owner": null,
      "new_owner": 136977687
    }
  ]
}