{"rich_content":{"text":""，"spans":null}，"video":{"vid":"v028b0180000c16ofcth3ol5um4nmbeg"，"duration":109.297，"width":640，"height":360，"file_size":5199485，"thumb":{"web_uri":"tos-cn-p-0000/92956fc8619c4b3b9cfbf1b554893ffd"，"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":109.297，"file_size":7101489，"w":640，"h":360}，"normal":{"duration":109.297，"file_size":7095959，"w":640，"h":360}}，"is_encrypted":null，"sp":null，"md5":"d223da8831f80257d14f6a57525e85f1"，"tos_key":null，"secret_key":null，"encrypt_algorithm":null，"extra":null}}