{
  "manageEntity": {
    "action": "Delete",
    "entityId": "595721165",
    "entityType": "Track",
    "nonce": "0xb78aeaa73ab8fb2c595120174f89a401c28e504ce31c772a395e4b97a3c4d5c5",
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    "signer": "0x3CA21b4bA449217567d83B12e2e18d3EeA1c6996",
    "userId": "929608470"
  }
}