{
  "type": "object",
  "properties": {
    "common_log": { "type": "string" },
    "content_length": { "type": "string" },
    "date": { "type": "string", "format": "clf" },
    "dmp_cookie": { "type": "string" },
    "http_version": { "type": "string" },
    "method": { "type": "string" },
    "package_json_version": { "type": "string" },
    "protocol": { "type": { "enum": ["http","https"] } },
    "query_parameters": { "type": "string" },
    "referrer": { "type": "string" },
    "remote_address": { "type": "string" },
    "remote_user": { "type": "string" },
    "response_time": { "type": "string" },
    "status_code": { "type": "number" },
    "to_location": { "type": "string" },
    "trace_id": { "type": "string" },
    "url": { "type": "string" },
    "user_agent": { "type": "object" },
  }
}