public async Task <HttpResponseMessage> PutJsonAsync <T>(string url, T postData, string accessToken = null)
{
var requestMessage = new HttpRequestMessage(HttpMethod.Put, url);
if (!String.IsNullOrEmpty(accessToken))
{
requestMessage.Headers.Authorization = new AuthenticationHeaderValue(JwtBearerDefaults.AuthenticationScheme, accessToken);
}
requestMessage.Content = new StringContent(JsonConvert.SerializeObject(postData, SerializationConfig.GetDefaultJsonSerializerSettings()), Encoding.UTF8, "application/json");
var responseMessage = await _client.SendAsync(requestMessage);
return(responseMessage);
}