{
  "manageEntity": {
    "action": "Delete",
    "entityId": "2141522313",
    "entityType": "Track",
    "nonce": "0x990cc16cc70ef65e388ad0cd62e52d900348e63edf09d010c29de61fd5af892a",
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    "signer": "0x9433D1023d9BEd1858cBbB1E8181bfcCA1b2c4A2",
    "userId": "88249"
  }
}