title: How to customize Service credentials in Message Hub
body: <p>When we create a message hub instance in bluemix, we can see a service credentials tab on the screen. The data is in json format and not editable:</p>
  
  <p>"user": "xxxxxxxxxxxxxxxx",
    "password": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"</p>
  
  <p>Is there any method to customize or edit the username and password?</p>