var connection = new HubConnectionBuilder()
                .WithUrl("https://localhost:5001/image-stream")
                .AddMessagePackProtocol() //Qui configuro MessagePack
                .Build();

            MemoryStream ms = new MemoryStream();
            connection.On<byte[]>("ReceiveImage", (imageData) =>
            {
                this.Dispatcher.Invoke(() =>
                {
                    //Conversione da array di byte a ImageSource. Per UWP vedere
                    //https://stackoverflow.com/questions/9806332/image-to-byte-convert-and-convertback

                    ms.Position = 0;
                    ms.Write(imageData);
                    ms.SetLength(imageData.Length);

                    BitmapImage bitmapImage = new BitmapImage();
                    bitmapImage.BeginInit();
                    bitmapImage.StreamSource = ms;
                    bitmapImage.EndInit();

                    ImageSource imgSrc = bitmapImage as ImageSource;

                    //Picture è il nome di un controllo Image
                    Picture.Source = imgSrc;
                });
            });

            await connection.StartAsync();