{
  "meta": {
    "subject": "Roblox group 5581207",
    "retrieved": "2026-09-08T19:12:08.793Z",
    "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": 5581207,
    "name": "Mastieve Studio",
    "created": "2020-02-01T09:13:33.237Z",
    "owner_user_id": 591336089,
    "member_count": 14077,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T12:10:01.374Z",
    "last_measured": "2026-09-08T17:50:26.954Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T12:10:01.377Z",
      "member_count": 14090
    },
    {
      "measured_at": "2026-08-12T13:40:40.794Z",
      "member_count": 14089
    },
    {
      "measured_at": "2026-08-13T01:03:08.441Z",
      "member_count": 14088
    },
    {
      "measured_at": "2026-08-18T14:51:10.708Z",
      "member_count": 14087
    },
    {
      "measured_at": "2026-08-22T16:12:02.595Z",
      "member_count": 14088
    },
    {
      "measured_at": "2026-08-22T20:02:05.677Z",
      "member_count": 14089
    },
    {
      "measured_at": "2026-08-25T20:32:13.082Z",
      "member_count": 14086
    },
    {
      "measured_at": "2026-08-26T13:42:03.209Z",
      "member_count": 14085
    },
    {
      "measured_at": "2026-08-28T15:21:28.768Z",
      "member_count": 14084
    },
    {
      "measured_at": "2026-08-31T02:31:10.363Z",
      "member_count": 14082
    },
    {
      "measured_at": "2026-08-31T21:32:42.166Z",
      "member_count": 14077
    },
    {
      "measured_at": "2026-09-02T02:10:46.327Z",
      "member_count": 14078
    },
    {
      "measured_at": "2026-09-08T06:21:10.202Z",
      "member_count": 14077
    }
  ],
  "name_history": [
    {
      "name": "Mastieve Studio",
      "first_seen": "2026-08-10T12:10:01.377Z",
      "last_seen": "2026-09-08T17:50:26.954Z",
      "current": true
    }
  ],
  "ownership_events": []
}