{
  "manageEntity": {
    "action": "Delete",
    "entityId": "977890",
    "entityType": "Track",
    "nonce": "0xb799e82b8d81f80d3de6c8aa4ec4d688631133ec17517941d63916cc3eff9e6b",
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    "signer": "0xeaB5bA915CD70ea5eE28B718C5b7315ae94Fa9D6",
    "userId": "109957"
  }
}