title: Content type header is not supported error message
body: <p>I have the following curl command on elasticsearch and it has token based authentication.</p>
  
  <p><code>curl -k -H "Authorization :Bearer eH8AII7j3e81zfvcIKe715FXsjZ5or3" -XPUT https://localhost:9200/school/student/1 -d"{/"name/":/"mohan/"}"</code></p>
  
  <p>But it is throwing the following error.</p>
  
  <p><code>{"error":"Content-Type header [application/x-www-form-urlencoded] is not supported","status":406}</code></p>