title: DotNetOpenAuth POST sample with JSON body
body: <p>I'm using DotNetOpenAuth and attempting to post a JSON object to a server.</p>
  
  <p>The server is throwing a WebContentType = Raw error.</p>
  
  <pre><code>Authorization: OAuth
  oauth_token="V9vVXD51ehUU6WmY%2FQ41qta0RfY%3D",oauth_consumer_key="CHiawRiAb299cOas",oauth_nonce="BBTM4csg",oauth_signature_method="HMAC-SHA1",oauth_signature="KZJZvT630f2KenB9l9tqSLI%2FfHA%3D",oauth_version="1.0",oauth_timestamp="1306870331"
  Content-Type: application/x-www-form-urlencoded; charset=utf-8 
  User-Agent: DotNetOpenAuth/3.4.6.10357
  </code></pre>
  
  <p>I guess I'm really looking for an example on how to do this? Or a Url to a sample?</p>
  
  <p>I'm currently trying</p>
  
  <pre><code>WebRequest httpRequest = consumer.
      PrepareAuthorizedRequest(endpoint, AccessToken, para);
  httpRequest.ContentType = "application/json";
  WebResponse webResponse = httpRequest.GetResponse();
  </code></pre>