public async Task <CarCreated> Handle(RequestCreateCar request, CancellationToken cancellationToken)
{
var car = await _carModel.CreateNewCarFromEvent(request);
var carCreated = CarCreated.From(car);
await _mediator.Publish(AggregateEvent.Create <RequestCreateCar>(car.Id, carCreated, request));
await _mediator.Publish(carCreated);
return(carCreated);
}