public async Task Invoke(HttpContext context)
        {
            try
            {
                await _next.Invoke(context);
            }
            catch (Exception ex)
            {
                context.Response.ContentType = "application/json";
                context.Response.StatusCode  = StatusCodes.Status500InternalServerError;
                var response = new
                {
                    Message = ex.Message
                };

                var json = JsonConvert.SerializeObject(response, new JsonSerializerSettings
                {
                    ContractResolver = new CamelCasePropertyNamesContractResolver()
                });

                _logging.WriteLogInFile(ex);


                await context.Response.WriteAsync(json);
            }
        }