public async Task Start()
        {
            var endpoint = await _broker.GetPublicEndPoint <SpotPriceDto>("prices");

            _disp = _priceStream.Subscribe(endpoint);

            Log.Information("Started price publishing to 'prices'");
        }
        public async Task Start()
        {
            var endpoint = await _broker.GetPublicEndPoint <HeartbeatDto>("status");

            _disp = _heartbeatStream.Select(
                _ =>
                new HeartbeatDto
            {
                Instance  = _host.InstanceID,
                Timestamp = DateTime.Now,
                Type      = _host.ServiceType,
                Load      = _host.GetLoad()
            })
                    .Subscribe(endpoint);

            Log.Information("Started heartbeat for {host}", _host);
        }