{"rich_content":{"text":"孕产: 避孕上环真可怕? 女性上环全过程, 节育器的原理是什么?","spans":null},"video":{"vid":"v0d8b0720000bs599gdr24m0vprafvkg","duration":174.24,"width":1024,"height":576,"file_size":10163963,"thumb":{"web_uri":"tos-cn-p-0000/d240dcc14cc3457294cee37b3528db49","width":640,"height":360,"image_type":null,"mimetype":null,"encrypt_web_uri":null,"secret_key":null,"encrypt_algorithm":null,"extra":null},"video_size":{"high":{"duration":174.24,"file_size":9236682,"w":854,"h":480},"normal":{"duration":174.24,"file_size":7003652,"w":640,"h":360},"ultra":{"duration":174.24,"file_size":11382322,"w":1024,"h":576}},"is_encrypted":null,"md5":"ff715841f2224307a90fd56ef5e6090b","tos_key":null,"secret_key":null,"encrypt_algorithm":null,"extra":null}}