{
  "meta": {
    "subject": "Roblox user 857638544",
    "retrieved": "2026-09-30T20:33:00.608Z",
    "licence": "Measured by roregister.com from public Roblox APIs. Free to reuse with attribution to roregister.com. Not affiliated with Roblox Corporation.",
    "notes": {
      "observed_at": "when this register saw the name; Roblox does not publish change dates."
    }
  },
  "user": {
    "id": 857638544,
    "name": "mmackert",
    "display_name": "Sadder",
    "created": "2018-11-12T00:32:43.170Z",
    "terminated": false,
    "terminated_detected": null,
    "gone": false,
    "last_measured": "2026-09-15T18:22:33.526Z"
  },
  "username_history": [
    {
      "username": "mmackert",
      "observed_at": "2026-09-15T18:22:33.526Z"
    }
  ]
}