{
  "meta": {
    "subject": "Roblox group 7507543",
    "retrieved": "2026-10-16T16:22:03.170Z",
    "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": 7507543,
    "name": "NLD - Ambulance Haarlem",
    "created": "2020-08-21T14:33:19.687Z",
    "owner_user_id": 1505687872,
    "member_count": 3717,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T12:13:37.463Z",
    "last_measured": "2026-10-16T15:53:29.027Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T12:13:37.463Z",
      "member_count": 3722
    },
    {
      "measured_at": "2026-08-16T02:21:25.663Z",
      "member_count": 3721
    },
    {
      "measured_at": "2026-09-01T18:30:38.932Z",
      "member_count": 3720
    },
    {
      "measured_at": "2026-09-08T21:31:59.620Z",
      "member_count": 3719
    },
    {
      "measured_at": "2026-09-10T13:40:35.783Z",
      "member_count": 3718
    },
    {
      "measured_at": "2026-09-21T05:40:53.791Z",
      "member_count": 3717
    }
  ],
  "name_history": [
    {
      "name": "NLD - Ambulance Haarlem",
      "first_seen": "2026-08-10T12:13:37.463Z",
      "last_seen": "2026-10-16T15:53:29.027Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-10T14:30:51.722Z",
      "previous_owner": null,
      "new_owner": 1505687872
    }
  ]
}