string contentJson = JsonConvert.SerializeObject(content);
HttpRequestMessage httpRequest = new HttpRequestMessage(HttpMethod.Patch, baseUrl);
HttpClient client = _clientFactory.CreateClient();
httpRequest.Content = new StringContent(contentJson, Encoding.UTF8, "application/json-patch+json");
httpRequest.Headers.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json-patch+json"));
httpRequest.Headers.Authorization = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(Encoding.UTF8.GetBytes($"{yourusername}:{yourpwd}")));
HttpResponseMessage response = await client.SendAsync(httpRequest);