{!-- PGC_VIDEO 360, "thumb_url" "", "vid" 640, "src_thumb_uri" "toutiao", "update_thumb_type" "https {"high" 297.08, "h" 0, "w" 12505537}, "ultra" 297.08, "h" 0, "w" 23474425}, "normal" 297.08, "h" 0, "w" 9026269}}, "md5" 297.08, "file_sign" "113e00004d3e51a051996", "vu": "v02019790000bgd0fh5p06vmkcah25ng"} --}