{
  "manageEntity": {
    "action": "Download",
    "entityId": "1605640047",
    "entityType": "Track",
    "nonce": "0xf478e907f8810629ce9a6d16277f0fdb23e325fe0120420c1a77db4c69b45e2e",
    "signature": "0x90806d1bf8d711bc86dcd088fd8350231364dd2685f0666ce4410690229830664c9d200562228ad87430fe2624dfa46befc8d532404755ed6e84e86543c5d7bb1c",
    "signer": "0xE592De80c4B787aC79c040B2aa7Ed73B5C3C57CD",
    "userId": "896553079"
  }
}