{
  "manageEntity": {
    "action": "Download",
    "entityId": "893861001",
    "entityType": "Track",
    "nonce": "0xcb8a879da23190edbd3d3a644ec63316c31118f74eab346898f879b0ed48e90e",
    "signature": "0x2f0d56de1d1beeed26ec2228c9dccce17210834bdf6125e5310427c54a33dabb54346d858fbea905ba0e3fded5372c4f45b61b244e8e7ef9a03b39b9e5430c291b",
    "signer": "0xcb0dE1B9981e7D13931d9DDcB14a7597369392B4",
    "userId": "121885"
  }
}