{"type":"rich","version":"1.0","title":"전자칠판 :","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/Z0UnsQyJlRBfvU4J/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/674527b10c8995105fbd4e09\" frameborder=\"0\" allowfullscreen></iframe>"}