{"domain":"wangchieh.art","qquuid":"424ddcf8-f519-439b-8c25-4c9717eeb1c5","property_name":"course_section","property_idx":"33","video_uid":"49bb6b2a-a502-43e4-8c39-bdbfba3e4808","video_url":"https:\/\/vz-75bf2827-0fd.b-cdn.net\/49bb6b2a-a502-43e4-8c39-bdbfba3e4808\/playlist.m3u8","host_name":"vz-75bf2827-0fd.b-cdn.net"}