public bool?AddUserBalance(int userId, AddMoney money)
{
var user = _userDataManager.GetUserBalance(userId, money.CurrencyId);
var currency = _userDataManager.GetCurrency(money.CurrencyId);
var addMoney = new Money(currency, money.Amount);
var result = user.Balance.AddMoney(addMoney);
_userDataManager.UpdateUserBalance(user);
return(result);
}