while (true)
{
    // Create a new connection    
    var connection = new HubConnectionBuilder()
                    .WithUrl("http://localhost:5000/cache")
                    .WithMessagePackProtocol()
                    .WithConsoleLogger()
                    .WithTransportType(TransportType.WebSockets)
                    .Build();

    // Start it
    await connection.StartAsync(); 
   
    // Do things while the connection is alive and wait for it to finish

    await connection.Lifetime.AsTask();

    // Dispose when it's done
    await connection.DisposeAsync();
}