DD.WellWorkover.Cloud/AsbCloudWebApi/SignalR/TelemetryHub.cs

using Microsoft.AspNetCore.Authorization;

namespace AsbCloudWebApi.SignalR
{
    // SignalR manual:
    // https://docs.microsoft.com/ru-ru/aspnet/core/signalr/introduction?view=aspnetcore-5.0

    [Authorize]
    public class TelemetryHub : BaseHub
    {
        
    }
}