{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1321751814",
    "entityType": "Track",
    "nonce": "0x9ca9cbf802dd8fdf7e952c75db12e5a6097059536d67e25f0243c32ae4aad38e",
    "signature": "0x5a1b3c78f5197a795b78b548d6d61f6cd02e4add5ac1375b790532a597c0d69a57767dfcc5fcc0854d6394db1b2610d7fb5293510b1486d604898d90ac053f071b",
    "signer": "0x6d5F0ab3834a969A58d2cd4961d64d0E609D0ecA",
    "userId": "219883"
  }
}