/api/playback/state/{itemId}

{
  "state": {
    "id": "string",
    "userId": "string",
    "itemId": "string",
    "position": 0,
    "duration": 0,
    "completed": true,
    "activeSessionId": "string",
    "lastSource": "tracked",
    "updatedAt": "string"
  }
}

{
  "error": "string"
}