{
  "manageEntity": {
    "action": "Download",
    "entityId": "1385756859",
    "entityType": "Track",
    "nonce": "0x4fbce33d6c28eb79d1b3dd61b6ea8a9dd5f8343962442eba785258bf5938d167",
    "signature": "0x8340108a1c320f363a4bf3c3aadf344bf8f0ef97a50ca02eeb212309ca8231cf02333057df889f8f0b36001e3441ddbde600d85da6543eac6839456e0d5780311c",
    "signer": "0x719Ef5BAeeC65BD1AF734819e6B29681722F15aa",
    "userId": "504521047"
  }
}