{"domain":"alumi.biz","qquuid":"1088e657-76c9-4ce6-b38f-f9d104e45dd0","property_name":"course_section","property_idx":"446","video_uid":"71cce0ed-32a4-4dce-aa13-2e79457e6a49","video_url":"https:\/\/vz-21baebce-453.b-cdn.net\/71cce0ed-32a4-4dce-aa13-2e79457e6a49\/playlist.m3u8","host_name":"vz-21baebce-453.b-cdn.net"}