{
  "manageEntity": {
    "action": "Download",
    "entityId": "1729162069",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Chemnitz\",\"region\":\"Saxony\",\"country\":\"Germany\"}}",
    "nonce": "0x5a4769c37e7f386cd2abd03e1e67088dfe86810d7b933177c892964c41a3a4a4",
    "signature": "0x51e2835f9f20e0523cbbd44dfd7eac478901fd4ba4b9f235fd399fc2cb49f5186069dae1aad2a2856f45a395c0ef516611dffbf8c1d63e938d433110496781d51c",
    "signer": "0x867F5a95ea271Bc535FC0d08C2Da2233280bfefB",
    "userId": "737613010"
  }
}