{"domain":"alumi.biz","qquuid":"7021f9fb-c76c-4b0e-9ddc-3bee9116d7c7","property_name":"course_section","property_idx":"42","video_uid":"ec5109a6-222b-4e34-9504-6c3e5bf0324f","video_url":"https:\/\/vz-21baebce-453.b-cdn.net\/ec5109a6-222b-4e34-9504-6c3e5bf0324f\/playlist.m3u8","host_name":"vz-21baebce-453.b-cdn.net"}