{
  "manageEntity": {
    "action": "Delete",
    "entityId": "506900708",
    "entityType": "Track",
    "nonce": "0x19d9501da6dd03df721aa1e5a7451d8de3ebd9ad7b56179a9785684e5bb1b1d8",
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    "signer": "0x2B55314d733BC60522711F9B9914f271d97aDD6B",
    "userId": "224685891"
  }
}