{"domain":"alumi.biz","qquuid":"28b4dbcb-1de0-4583-b5df-77a66b49b586","property_name":"course_section","property_idx":"385","video_uid":"5a2af50c-759e-4bdb-90de-c2ab0662f601","video_url":"https:\/\/vz-e9fe1096-9fa.b-cdn.net\/5a2af50c-759e-4bdb-90de-c2ab0662f601\/playlist.m3u8","host_name":"vz-e9fe1096-9fa.b-cdn.net"}