{
  "manageEntity": {
    "action": "Download",
    "entityId": "1397635075",
    "entityType": "Track",
    "nonce": "0x2efdd5a36354dc94d5a1241ff84a50e4a56ba1cde6668fb9fa73b6d800b4cfd9",
    "signature": "0x3305589961964584a129ab73cb25bfaeddd275dfa1b554f04df820e97b9ebb5248b412a890706edb7d2486d7272c19e65bec86388ca7c7abed20e56209d151031c",
    "signer": "0x0da045648dc22Bc968d3D2798A118a059E4b7371",
    "userId": "771969062"
  }
}