{
  "manageEntity": {
    "action": "Save",
    "entityId": "1074556183",
    "entityType": "Track",
    "nonce": "0x09a02c7daafe97714d37fb604edd7addd442a14a898c5df40aad838f1ad92092",
    "signature": "0x78fd1f1edd293fa83bf1f656bf9bfd3b6b3b92edcfafc6c170df2f00594f793d39af88fb16e3fe787623e3fc2b7dffc7a34cae3cb979162379375d05b20cd33b1c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}