code: public static JSONObject fetchDirectoryObjectJSONObject(JSONObject jsonObject) throws Exception {
          JSONObject jObj = new JSONObject();
          jObj = jsonObject.optJSONObject("responseMsg");
          return jObj;
      }
docs: This method parses an JSON Object out of a collection of JSON Objects
  within a string
  
  @param jsonObject
  @return An JSON Object that would contains the DirectoryObject.
  @throws Exception