code: public function createSubMerchant(array $info = [])
      {
          $params = [
              'info' => Arr::only($info, [
                  'brand_name',
                  'logo_url',
                  'protocol',
                  'end_time',
                  'primary_category_id',
                  'secondary_category_id',
                  'agreement_media_id',
                  'operator_media_id',
                  'app_id',
              ]),
          ];
  
          return $this->parseJSON('json', [self::API_CREATE_SUB_MERCHANT, $params]);
      }
docs: 添加子商户.
  
  @param array $info
  
  @return \EasyWeChat\Support\Collection