{
  "manageEntity": {
    "action": "Delete",
    "entityId": "219714000",
    "entityType": "Track",
    "nonce": "0x3cdab248961115ec3c6aa60d2b98cea296079e84265041c569c7c4a25524fd08",
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    "signer": "0x20a88851C071D0F54F7D09ADC1E7fA4E8320342b",
    "userId": "4867"
  }
}