package main

import (
	"encoding/json"
	"fmt"
)

func main() {
	data := []byte(`{"sendMsg":{"user":"ANisus","msg":"Trying to send a message"},"say":"Hello"}`)

	fmt.Println("-----------------")

	map_string_string := map[string]string{}
	json.Unmarshal(data, &map_string_string)

	for k, v := range map_string_string {
		fmt.Println(k + ":" + v)
	}

	fmt.Println("-----------------")

	map_string_rawjson := map[string]json.RawMessage{}
	json.Unmarshal(data, &map_string_rawjson)

	var submap map[string]string
	json.Unmarshal(map_string_rawjson["sendMsg"], &submap)

	for k, v := range submap {
		fmt.Println(k + ":" + v)
	}

	fmt.Println("-----------------")
}