public static void UpdateSubscriptionOrders()
        {
            var binding = new BasicHttpBinding();
            binding.MaxReceivedMessageSize = Int32.MaxValue;
            var target = new bfsapi.bfsapiSoapClient(binding, new EndpointAddress("http://localhost:20010/bfsapi.asmx"));
            var req = new bfsapi.UpdateSubscriptionOrderRequest()
            {

                Credentials = new bfsapi.Credentials
                {
                    UserName = "apiuser",
                    Password = "apiuser"
                },
                identify = "asdfasdfasdf"
            };
            req.Entities = new bfsapi.UpdateSubscriptionOrder[]
            {
                new bfsapi.UpdateSubscriptionOrder
                {
                    BrickId = new Guid("00b2b17c-50f0-4ae9-8a91-e1a99e7b8c36"),
                    CashAmount = 123M,
                    ExecutionInterfaceSettingKey = "Internal"
                },
            };

            req.Fields=new UpdateSubscriptionOrderFields
            {
                CashAmount = true,
                LimitPrice = true,
                ExecutionInterfaceSettingKey=true
            };

            var res = target.UpdateSubscriptionOrders(req);


        }