public function getJsonContent()
    {
        if ($this->jsonContent === null) {
            try {
                if (($content = $this->getContent()) === '') {
                    return $this->jsonContent = false;
                }

                $this->jsonContent = json_decode($content, true);
            } catch (\Exception $E) {
                return $this->jsonContent = false;
            }
        }

        return $this->jsonContent;
    }