{
  "manageEntity": {
    "action": "Download",
    "entityId": "1044227",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Hamburg\",\"region\":\"Hamburg\",\"country\":\"Germany\"}}",
    "nonce": "0xd9025aeaaacbd75941bce295997bf2aae1607ec83b6cda22c7d5118eb188ffea",
    "signature": "0x4e557116d1409a10603f3742d3c9cef92c83332e54c6530d09dfbc0d88e7b6275be6d1f56ed9eef51da42de1ddb131044d929d688e1873da20faa5a151a199571c",
    "signer": "0x8057f1f452C21e8DcbA06A73e8689aE4CF80Dfe8",
    "userId": "514325409"
  }
}