{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1850940142",
    "entityType": "Track",
    "nonce": "0xd504538602405ae00dcbe5199d386184660878bf0e1fc064ae406604ad095738",
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    "signer": "0x2B55314d733BC60522711F9B9914f271d97aDD6B",
    "userId": "224685891"
  }
}