LINE Bot - Reply Message Manual

const reply = req => {
  return request({
    method: "POST",
    uri: `${LINE_MESSAGING_API}/reply`,
    headers: LINE_HEADER,
    body: JSON.stringify({
      replyToken: req.body.events[0].replyToken,
      messages: [
        {
          type: "text",
          text: JSON.stringify(req.body)
        }
      ]
    })
  });
};