{
  "manageEntity": {
    "action": "Download",
    "entityId": "1984852187",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"České Budějovice\",\"region\":\"South Bohemian Region\",\"country\":\"Czechia\"}}",
    "nonce": "0x4ec9519492ad0e209749494dd874fda7488d799e439ad6783f04bce189ee5926",
    "signature": "0xb7df6b538876ab6e7031e0699f0dbd11c15ca209c14a7914b7e816593d94b2a10aec74a6f5b92de4900e869a8117635c9b860193420a84a4913f04ecd9af95721c",
    "signer": "0xeaeE51782bb4894387908A098D4114488f1d2585",
    "userId": "121125"
  }
}