{"domain":"alumi.hayato-tw.com","qquuid":"9616ca61-fa7a-4cc9-9b2a-0b446011b0cb","property_name":"course_section","property_idx":"377","video_uid":"40abb0aa-fa38-4921-ab59-38a83c41cbc0","video_url":"https:\/\/vz-21baebce-453.b-cdn.net\/40abb0aa-fa38-4921-ab59-38a83c41cbc0\/playlist.m3u8","host_name":"vz-21baebce-453.b-cdn.net"}