{
  "manageEntity": {
    "action": "Download",
    "entityId": "332801408",
    "entityType": "Track",
    "nonce": "0x1675fd9d294e82492acde10d466cd887d69d1fcce87bc3a3ff62e9ad760024e3",
    "signature": "0x230558c76278526c957430558f19eecdb0621eafcccf53d15ad95afdcd89c6c5112f45809cd178230aec658331191c87dd0ee142af561feaa517286d88cf94941c",
    "signer": "0xfc9F115CD981A924863B6714CEC122BA3fB05FB4",
    "userId": "715767715"
  }
}