setMessageReaction(chatId, messageId, form = {}) {
    form.chat_id = chatId;
    form.message_id = messageId;
    if (form.reaction) {
      form.reaction = stringify(form.reaction);
    }
    return this._request('setMessageReaction', { form });
  }
Use this method to change the chosen reactions on a message.
- Service messages can't be reacted to.
- Automatically forwarded messages from a channel to its discussion group have the same available reactions as messages in the channel.
- In albums, bots must react to the first message.

@param {Number|String} chatId  Unique identifier for the target chat or username of the target channel (in the format @channelusername)
@param {Number} messageId  Unique identifier of the target message
@param {Object} [options] Additional Telegram query options
@return {Promise<Boolean>} True on success
@see https://core.telegram.org/bots/api#setmessagereaction