{
  "manageEntity": {
    "action": "Download",
    "entityId": "1929601369",
    "entityType": "Track",
    "nonce": "0x8ff11166d96cbf13ee75b82ecf12c2700fa8d28a85eee93684f82e083e4b1c68",
    "signature": "0x594a3228b78023bc72ea6f5159c6d7f28893b707d2e895712c76ff5827d858671f0dd0bebcaaf865d0542f7588891a17d6d9b1665c0ab0f4ff34ea0537e9c7a81b",
    "signer": "0x72119e5C4B7Ce3C0c856D159A264C02FA71570DF",
    "userId": "80047"
  }
}