public async Task <IActionResult> UnsubscribeWebHook()
        {
            try
            {
                using var streamReader = new StreamReader(Request.Body);
                await _sendinBlueEmailManager.UnsubscribeWebhookAsync(await streamReader.ReadToEndAsync());
            }
            catch (Exception ex)
            {
                await _logger.ErrorAsync(ex.Message, ex);
            }

            return(Ok());
        }