code: @StompService(destination = "/destination-2")
      public String destination2(final String body) throws IOException {
          final String now = new SimpleDateFormat("HH:mm:ss").format(new Date());
          return String.format("%s - value '%s' returned from method mapped to /destination-2", now, body);
      }
docs: <p>
  Broadcast message by returning a {@code String}.
  </p>
  
  @param body the message body
  @return the message to send by the broadcaster associated to the path specified in frame headers
  @throws IOException if body can't be read