{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1775870811",
    "entityType": "Track",
    "nonce": "0x2b964cb8bafb1bf4d1efd54f872c8693ef53e022ea984268ca25d395033ca316",
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    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}