{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1893888257",
    "entityType": "Track",
    "nonce": "0xc54ccc7370ee0ce55bb045c9bb5fd942f2a51b762ad7f7d5fe042052d11979bf",
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    "signer": "0x6405CE864bd39a3237DB1592E451E62734be24f8",
    "userId": "105011265"
  }
}