private static async Task <T> GetMessageBodyAsync <T>(IReceiverClient client)
        {
            string body = null;

            client.RegisterMessageHandler(async(msg, token) =>
            {
                Message message = msg;

                if (message != null)
                {
                    body = Encoding.UTF8.GetString(message.Body);

                    if (body.Contains("spoiled", StringComparison.OrdinalIgnoreCase))
                    {
                        await client.DeadLetterAsync(msg.SystemProperties.LockToken);
                    }
                    else
                    {
                        await client.CompleteAsync(msg.SystemProperties.LockToken);
                    }
                }
            }, new MessageHandlerOptions(ExceptionReceivedHandler)
            {
                MaxConcurrentCalls = 1,
                AutoComplete       = false
            });

            await client.UnregisterMessageHandlerAsync(TimeSpan.FromMilliseconds(2000));

            await client.CloseAsync();

            if (body != null)
            {
                return(JsonSerializer.Deserialize <T>(body));
            }

            return(default);