{
  "manageEntity": {
    "action": "Download",
    "entityId": "1579341893",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Wiesbaden\",\"region\":\"Hesse\",\"country\":\"Germany\"}}",
    "nonce": "0xff28467a20ceb788328a2ca16b369adb0a8fb0110000dbe15241b3c342f39747",
    "signature": "0xe1def9c30781a2b5ff7e239cca10e4004d996ed9ffaa67be0c31888dc464115d3f0017fe79fb5e819a059b6f5ad7236d3429dd244062ac0c6e13429e100ea1f21b",
    "signer": "0xa9dE4be0B891b92809B19B7F6ae0C51Ef8e5b0AF",
    "userId": "329426201"
  }
}