package main

import (
	"fmt"

	"encoding/json"

	gjson "github.com/goccy/go-json"
)

type MyType struct {
	Msg string `json:"Сообщение"`
}

func main() {
	b := []byte(`{"Сообщение":"Текст"}`)

	var expected MyType
	json.Unmarshal(b, &expected)
	fmt.Printf("got json object: %+v\n", expected)

	var actual MyType
	gjson.Unmarshal(b, &actual)
	fmt.Printf("got gjson object: %+v\n", actual)
}