{
  "manageEntity": {
    "action": "Delete",
    "entityId": "425329499",
    "entityType": "Track",
    "nonce": "0x055db2606881dd444c47a84b5da50e354c48cac9dca7eb31aee62d4c95fcec60",
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    "signer": "0x6d5F0ab3834a969A58d2cd4961d64d0E609D0ecA",
    "userId": "219883"
  }
}