{"domain":"alumi.hayato-tw.com","qquuid":"d381a665-665a-4eea-af0d-ea61edcd2110","property_name":"course_section","property_idx":"287","video_uid":"4d1e7a9d-52dd-45c5-8f86-7a0200669bf4","video_url":"https:\/\/vz-21baebce-453.b-cdn.net\/4d1e7a9d-52dd-45c5-8f86-7a0200669bf4\/playlist.m3u8","host_name":"vz-21baebce-453.b-cdn.net"}