curl --request POST \
  --url https://sitegpt.ai/api/v2/account/profile-picture \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "imageBase64": "<string>",
  "fileName": "<string>",
  "mimeType": "<string>"
}
'

{
  "ok": true,
  "data": {
    "account": {
      "id": "account-id",
      "name": "Example account",
      "createdAt": "2026-05-13T00:00:00.000Z"
    }
  },
  "meta": {
    "requestId": "request-id"
  }
}