public async Task <string> ExecuteRequest(LambdaRequest request)
{
var payloadBytes = Convert.FromBase64String(request.Base64Payload);
var serviceType = _serviceMap.GetType(request.Service);
var invokerType = typeof(Invoker <>).MakeGenericType(serviceType);
var invoker = _serviceProvider.GetRequiredService(invokerType);
var invokeMethod = invoker.GetType().GetMethod("Invoke");
var responseTask = (Task <Response>)invokeMethod.Invoke(invoker, new object[] { payloadBytes });
var response = await responseTask;
var serializer = _serviceProvider.GetRequiredService <IProxySerializer>();
var serializedResponse = serializer.ResponseSerializer.SerializeResponse(response);
var result = Convert.ToBase64String(serializedResponse);
return(result);
}