{"domain":"alumi.biz","qquuid":"aa2ecc14-d0ac-4d87-9329-011efcfe64c9","property_name":"course_section","property_idx":"422","video_uid":"f664b2ad-6ea8-41d1-a22b-e76face07140","video_url":"https:\/\/vz-21baebce-453.b-cdn.net\/f664b2ad-6ea8-41d1-a22b-e76face07140\/playlist.m3u8","host_name":"vz-21baebce-453.b-cdn.net"}