{
  "manageEntity": {
    "action": "Download",
    "entityId": "382425628",
    "entityType": "Track",
    "nonce": "0xc34d883bfb17abdd89197e18ed29d3d7934f2debdb9be6b2b95f18d32f242796",
    "signature": "0x055ab50fde4e9e14530c0b281ee638a00b4db38403974e29032776f66e5dd2013947d46fd29fe183f56f0c951d6b17a8161b545b16a57ad62c323d949df3150f1c",
    "signer": "0xbf8f0f3294eA67e92d4B57308f7516D2F60a28D2",
    "userId": "464332"
  }
}