{
  "manageEntity": {
    "action": "Download",
    "entityId": "181328426",
    "entityType": "Track",
    "nonce": "0xa497a3defb766d095077905efdd1937bb09feda132a6b7d0846bac920d770e0c",
    "signature": "0xf0f7e70978e10f030ef131217b2155b010206881c63d94a5ef6029a5a672e1d342992f7ff6cb58ce128a949927af867b2dfadceddfacdd6f1f6d257619f6facf1b",
    "signer": "0xf9e407Ea4e815d4ec970F822D7b6e38C31E5338d",
    "userId": "869208522"
  }
}