Subscribe to and read a flag structure

internal void AddSubscriptionAndReadFlagStructure()
{
    try
    {
        IPubSubConnectionFactory pubSubConnectionFactory = new PubSubConnectionFactory();
        // Open a PubSub connection.
        using (var pubsubConnection = pubSubConnectionFactory.OpenConnection())
        {
            // Confirm there is a connection with the PubSub system.
            if (pubsubConnection.IsConnected())
            {
                var topic = "es.realtime.db.analog.DeviceRollupAnalog01.flag.packqual";
                // Subscribe to a topic.
                var subscription = pubsubConnection.Subscribe(topic);
                // Receive a PubSub message.
                var pubSubMsg = subscription.Receive();
                // Process the PubSub message.
                byte[] blobByteArray = pubSubMsg.GetBlob();
                FlagPackQual flagPackQual = new FlagPackQual();
                flagPackQual.CompactedFlags = blobByteArray;
                Console.WriteLine(
quot;Current topic is in Manual Mode: {flagPackQual.Manual}");
            }
        }// Unsubscribe from the topic by disposing the connection.
    }
    catch (Exception ex)
    {
        Console.WriteLine("Error:" + ex.Message);
    }
}