{"type":"rich","version":"1.0","title":"실크로드 무역 여정","description":"실크로드 무역 여정을 시간 순서대로 배열하는 활동","author_name":"Padlet TA","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1767922010199&hashid=9LjkVOeQrO","html":"<iframe src=\"https://arcade.padlet.com/embed/9LjkVOeQrO\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}