code: public function pageSummary($pageId, $beginDate, $endDate)
      {
          $params = [
              'page_id' => $pageId,
              'begin_date' => $beginDate,
              'end_date' => $endDate,
          ];
  
          return $this->parseJSON('json', [self::API_PAGE, $params]);
      }
docs: Fetch statistics data by pageId.
  
  @param int $pageId
  @param int $beginDate (Unix timestamp)
  @param int $endDate   (Unix timestamp)
  
  @return \EasyWeChat\Support\Collection