{
  "manageEntity": {
    "action": "Delete",
    "entityId": "423227",
    "entityType": "Track",
    "nonce": "0xb8d75bd7db1768c21989abb21f06e9ef6db8bbb1801882f2979729562e008161",
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    "signer": "0x96c356dEff57c7855fbe778D304EdCb5109724F6",
    "userId": "78875"
  }
}