{
  "manageEntity": {
    "action": "Download",
    "entityId": "249815819",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Frankfurt am Main\",\"region\":\"Hesse\",\"country\":\"Germany\"}}",
    "nonce": "0x88c9fd683eca38440bc2092942341fa927adea45e426cd78d855caef4f462793",
    "signature": "0x896a7673744acf04a677532c8a124c0ec8f76b815c7e3ad8e21606cd0bb14afa5d04420b09ad619940f2d2eb46734e2c60e0708dc3b58e78176a69d844fb91e81c",
    "signer": "0x9Ff198C050052c6716baf98295D3A358369dA9fC",
    "userId": "516745087"
  }
}