{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1369529778",
    "entityType": "Track",
    "nonce": "0xbaeeee55a5bfec7262683f2b63e8def07997af19bcc8ee1798028ba36d7c3348",
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    "signer": "0x77dc0D687FdCf6769B72c6e7a907f005c300B0dd",
    "userId": "87862265"
  }
}