{"domain":"alumi.biz","qquuid":"35d96330-4c0c-4ef4-b474-f250d3905f09","property_name":"course_section","property_idx":"428","video_uid":"cd5055ff-719b-49ed-b81f-585611bd8f0f","video_url":"https:\/\/vz-21baebce-453.b-cdn.net\/cd5055ff-719b-49ed-b81f-585611bd8f0f\/playlist.m3u8","host_name":"vz-21baebce-453.b-cdn.net"}