{
  "manageEntity": {
    "action": "Delete",
    "entityId": "627206953",
    "entityType": "Track",
    "nonce": "0x04f764dc5193949bf02ba1b8c3302ad6394c26dff6dc8c9d99a480dc4c44a508",
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    "signer": "0xF7E7F3503021Cecf746923f1C64395F2d765B8ca",
    "userId": "789377684"
  }
}