{
  "manageEntity": {
    "action": "Save",
    "entityId": "962798091",
    "entityType": "Track",
    "nonce": "0x8c8f60a9e59951d20c879a8537f316abc385f69ef3490d32d9ae8fda17c3ce81",
    "signature": "0x8b26deb759274cdc920d2f81b46155c6d9aa8e08cae8b882a35d3b26237eb87b1da2756f0f190412beeca0f985d4edbf89e1fdf66c0ba5a491b1de6fbc90b6cc1b",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}