{
  "manageEntity": {
    "action": "Delete",
    "entityId": "770263624",
    "entityType": "Track",
    "nonce": "0x38f04fc89da9143f159b5132a8585f77ff00bcc91bf3e710c194997c29c7cfaa",
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    "signer": "0xAe45Aa9d94350c6a7A8BfB66D3c1c2B51Ac488C6",
    "userId": "274010868"
  }
}