code: boolean isJsonPayload(Method method) {
  		if(null == method || !method.isAnnotationPresent(JsTopic.class) ) {
  			return false;
  		}
  		JsTopic jsTopic = method.getAnnotation(JsTopic.class);
  		return jsTopic.jsonPayload();
  	}
docs: The topic receive directly payload in json
  
  @param method
  @return