{"domain":"alumi.hayato-tw.com","qquuid":"bd0b11a5-6dbc-4f70-b560-79fdb366b34a","property_name":"course_section","property_idx":"21","video_uid":"04fc322a-18e2-48e2-afd0-feeb1b808cfc","video_url":"https:\/\/vz-21baebce-453.b-cdn.net\/04fc322a-18e2-48e2-afd0-feeb1b808cfc\/playlist.m3u8","host_name":"vz-21baebce-453.b-cdn.net"}