Unmarshal dynamic key in JSON

unmarshal_dynamic_key.go

func (s ResultObject) UnmarshalJSON(data []byte)  map[string]interface{}  {
	var z map[string]interface{}

	if err := json.Unmarshal(data, &z); err != nil {
		fmt.Println(string(data[:]))
		panic(err)
	}
	return z
}