{"domain":"alumi.hayato-tw.com","qquuid":"a900dbc2-5b5b-4d3a-8288-93b1a2de9e7c","property_name":"course_section","property_idx":"221","video_uid":"ebb02e57-ea9a-42a0-8b43-ec703dff7885","video_url":"https:\/\/vz-21baebce-453.b-cdn.net\/ebb02e57-ea9a-42a0-8b43-ec703dff7885\/playlist.m3u8","host_name":"vz-21baebce-453.b-cdn.net"}