public void LoadEntitiesFromSaveFile(Contexts contexts, string saveFileName)
    {
        var savedTuple = _templateLoader.LoadSavedEntityFile(saveFileName);

        var saveData = JsonConvert.DeserializeObject <EntitiesSaveData>(savedTuple.Item2);

        foreach (var entityInfo in saveData.EntityInfos)
        {
            MakeEntityFromEntityInfo(entityInfo, contexts);
        }

        Debug.WriteLine("LoadEntitiesFromSaveFile done!");
    }