{
  "manageEntity": {
    "action": "Download",
    "entityId": "580595284",
    "entityType": "Track",
    "nonce": "0xd58d7b2182891cb876236e8e9c50abf475af6729270be907c64ecd12c2d933ca",
    "signature": "0xf888358eb1f8e54eb8614b6dc42569bd31253e48c30942623f254833beaca8b01bd277edc7d2108a9d22d148a2b6433ca747a484a67b8e5ea3bd8c978246b9a91c",
    "signer": "0x96d53D932424EC157ea945eF88e9756380a395A6",
    "userId": "488580615"
  }
}