Let us start here, from square one. No, from Zero!

api/request.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <string>
+
+#include <stdint.h>
+
+#include "external/rapidjson/document.h"
+
+namespace api {
+
+    class Request {
+    public:
+        uint64_t id;
+        std::string module;
+        std::string function;
+        rapidjson::Value params;
+        bool parse_error;
+
+        Request(rapidjson::Document &document);
+    };
+}