{
  "manageEntity": {
    "action": "Save",
    "entityId": "92599",
    "entityType": "Track",
    "nonce": "0xfb7ae2d5b1f80ce614c9fe6d19df5fb88b3dd03aaf9ba9a757f8a3a437d9cc82",
    "signature": "0x6da7fa57db25093e2a50c706eac8f99e72e4e49d4d3bcbe01e0edfa22aae7ac52688421381a9876e014d4280895d1b76d15fb7fe366125ab4fbeedbde561e7d51b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}