{
  "manageEntity": {
    "action": "Download",
    "entityId": "1044226",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Hamburg\",\"region\":\"Hamburg\",\"country\":\"Germany\"}}",
    "nonce": "0xd90d2fb6064cbd22035f3c7ec9600dfd620566df79668e54236d0947434f9188",
    "signature": "0x4a38ff2468a659920052a17748483fc4f542582b55edbd82fc5a6f9796203ad1035e896bd89091545d96f880faf7dcb726709cfbaa5b73f06991c4c10f0c177f1c",
    "signer": "0x8057f1f452C21e8DcbA06A73e8689aE4CF80Dfe8",
    "userId": "514325409"
  }
}