{
  "manageEntity": {
    "action": "Save",
    "entityId": "36061",
    "entityType": "Track",
    "nonce": "0xb6e4acedd2d094bd2acaddf22fc07d60c51786f26f2c517e127b4aa0ce079d23",
    "signature": "0x2fb99d47416c5ae0930e79021f722592d38edbddd98d06af5115bd72468023b52c796da1aabee23edd5619de1cb4b4411e7f9a8b7a9b11ace6eadbb1db47c1fa1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}