{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1621143592",
    "entityType": "Track",
    "nonce": "0xa1401dd06a7808842f46563b208a938732c195543b0f64b1c24443ddc80e33d9",
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    "signer": "0xE58798A8eCCb4b8474bdDB89D94c8151E7BD4D10",
    "userId": "850489604"
  }
}