{
  "manageEntity": {
    "action": "Save",
    "entityId": "1096069",
    "entityType": "Track",
    "nonce": "0xcab9ee86957bc953d2c032304a5548bc2fdeb9dedff81ca2d14828e306a79d8d",
    "signature": "0x14c44123e463cca9297003960810b7625d6e545e06492ca8a61b2c581bf9dd6c42d079ccac9ff722a2dbad2052ce4efd19fa6d7c02bd530098e1ee0db2e868d91b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}