{"domain":"alumi.hayato-tw.com","qquuid":"a036dcdf-66f6-49f8-be54-2510ca2f11ec","property_name":"course_section","property_idx":"395","video_uid":"bca83a15-5502-4bc6-97a5-f8f5803eb9b3","video_url":"https:\/\/vz-21baebce-453.b-cdn.net\/bca83a15-5502-4bc6-97a5-f8f5803eb9b3\/playlist.m3u8","host_name":"vz-21baebce-453.b-cdn.net"}