code: @POST
  	@Produces(MediaType.APPLICATION_JSON)
  	@Consumes(MediaType.APPLICATION_FORM_URLENCODED)
  	@Override
  	public String getMessageToClient(@FormParam(Constants.Message.MFC) String json) {
  		HttpSession httpSession = getHttpSession();
  		setContext(httpSession);
  		MessageFromClient message = MessageFromClient.createFromJson(json);
  		MessageToClient mtc = getMessageToClientService().createMessageToClient(message, httpSession);
  		return mtc.toJson();
  	}
docs: Retrieves representation of an instance of org.ocelotds.GenericResource
  
  @param json
  @return an instance of java.lang.String