{
  "manageEntity": {
    "action": "Save",
    "entityId": "1091349030",
    "entityType": "Track",
    "nonce": "0x3336ed16cc80041aa53518263b4f8499891eca233bdddde31f699337abb9e03e",
    "signature": "0x915d2c4273bd1f6a63297741aa097c2dc30a722702fd1a0107412dbf0a16227c727966e14e89d7a0fee28a5440924fe60407a9e8b54e118664509ecefd304adc1c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}