sendDice(chatId, options = {}) {
    const opts = {
      qs: options,
    };
    opts.qs.chat_id = chatId;
    try {
      const sendData = this._formatSendData('dice');
      opts.formData = sendData[0];
    } catch (ex) {
      return Promise.reject(ex);
    }
    return this._request('sendDice', opts);
  }
Send Dice
Use this method to send an animated emoji that will display a random value.
@param {Number|String} chatId  Unique identifier for the target chat or username of the target channel (in the format `@channelusername`)
@param {Object} [options] Additional Telegram query options
@return {Promise}  On success, the sent [Message](https://core.telegram.org/bots/api#message) object is returned
@see https://core.telegram.org/bots/api#senddice