{"domain":"alumi.hayato-tw.com","qquuid":"18ccc596-7d43-4b67-b88c-1ddcd10e23f3","property_name":"course_section","property_idx":"292","video_uid":"3433c90b-ed81-4e4a-b5bd-2e191e9323bb","video_url":"https:\/\/vz-21baebce-453.b-cdn.net\/3433c90b-ed81-4e4a-b5bd-2e191e9323bb\/playlist.m3u8","host_name":"vz-21baebce-453.b-cdn.net"}