{
  "manageEntity": {
    "action": "Download",
    "entityId": "1986371472",
    "entityType": "Track",
    "nonce": "0x33c6edd109699c1095b8debe184408b9c1db509f0e6b87062b187ee541867ee7",
    "signature": "0xd87f4a957e5053ecb903a9046e18b6f4a0b21ad5c4cec4c0f5f4f119550764fd1766870c20688cdf9c1ccad21c85ca3234806d188bc315a735bf2a05482160321c",
    "signer": "0x96339e3C19861DFc37C9670Da1cF2d718efF3FF9",
    "userId": "126262"
  }
}