{
  "meta": {
    "subject": "Roblox group 8640395",
    "retrieved": "2026-10-17T08:37:01.273Z",
    "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": 8640395,
    "name": "Hui Yun and his friends！",
    "created": "2020-12-17T09:40:47.600Z",
    "owner_user_id": 1612885765,
    "member_count": 4548,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T12:04:50.033Z",
    "last_measured": "2026-10-17T08:22:11.827Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T12:04:50.033Z",
      "member_count": 4562
    },
    {
      "measured_at": "2026-08-10T14:20:26.850Z",
      "member_count": 4562
    },
    {
      "measured_at": "2026-08-13T23:52:22.147Z",
      "member_count": 4561
    },
    {
      "measured_at": "2026-08-18T16:20:39.052Z",
      "member_count": 4560
    },
    {
      "measured_at": "2026-08-19T14:00:37.207Z",
      "member_count": 4559
    },
    {
      "measured_at": "2026-08-23T09:40:17.592Z",
      "member_count": 4558
    },
    {
      "measured_at": "2026-08-24T04:41:09.227Z",
      "member_count": 4557
    },
    {
      "measured_at": "2026-08-31T16:02:01.913Z",
      "member_count": 4556
    },
    {
      "measured_at": "2026-09-04T19:49:17.408Z",
      "member_count": 4555
    },
    {
      "measured_at": "2026-09-05T09:41:12.339Z",
      "member_count": 4554
    },
    {
      "measured_at": "2026-09-14T07:31:21.787Z",
      "member_count": 4553
    },
    {
      "measured_at": "2026-09-14T07:51:45.199Z",
      "member_count": 4552
    },
    {
      "measured_at": "2026-09-30T17:32:30.070Z",
      "member_count": 4551
    },
    {
      "measured_at": "2026-10-01T11:32:04.331Z",
      "member_count": 4550
    },
    {
      "measured_at": "2026-10-05T22:21:50.823Z",
      "member_count": 4549
    },
    {
      "measured_at": "2026-10-07T19:20:21.125Z",
      "member_count": 4548
    }
  ],
  "name_history": [
    {
      "name": "Hui Yun and his friends！",
      "first_seen": "2026-08-10T12:04:50.033Z",
      "last_seen": "2026-10-17T08:22:11.827Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-10T14:20:26.850Z",
      "previous_owner": null,
      "new_owner": 1612885765
    }
  ]
}