{"domain":"alumi.biz","qquuid":"6de0cac8-9c04-4e7b-8b70-572b1c58fc8e","property_name":"course_section","property_idx":"112","video_uid":"dc2a4e20-fe8d-47c8-b7a1-60bfbea1dbed","video_url":"https:\/\/vz-21baebce-453.b-cdn.net\/dc2a4e20-fe8d-47c8-b7a1-60bfbea1dbed\/playlist.m3u8","host_name":"vz-21baebce-453.b-cdn.net"}