{
  "manageEntity": {
    "action": "Delete",
    "entityId": "423233",
    "entityType": "Track",
    "nonce": "0x5def463214ef4de81a6e3345800b5f6064bee8b7a70aca73b984fc4c583dba84",
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    "signer": "0x96c356dEff57c7855fbe778D304EdCb5109724F6",
    "userId": "78875"
  }
}