{"id": 644251028267728896, "lang": "en", "text": "1952: Dr. Jonas Salk develops the first effective polio vaccine #AmericanCures #RallyMedRes http://t.co/arieGdu8Tj", "urls": [], "user": {"id": 247334603}, "media": [{"id": 644251027546374145, "url": "http://t.co/arieGdu8Tj", "type": "animated_gif", "sizes": {"large": {"h": 400, "w": 800, "resize": "fit"}, "small": {"h": 170, "w": 340, "resize": "fit"}, "thumb": {"h": 150, "w": 150, "resize": "crop"}, "medium": {"h": 300, "w": 600, "resize": "fit"}}, "media_url": "http://pbs.twimg.com/tweet_video_thumb/CPDW5WsVAAE1ZKY.png", "video_info": {"variants": [{"url": "https://video.twimg.com/tweet_video/CPDW5WsVAAE1ZKY.mp4", "bitrate": 0, "content_type": "video/mp4"}], "aspect_ratio": [2, 1]}, "display_url": "pic.twitter.com/arieGdu8Tj", "expanded_url": "https://twitter.com/SenatorDurbin/status/644251028267728896/photo/1", "media_url_https": "https://pbs.twimg.com/tweet_video_thumb/CPDW5WsVAAE1ZKY.png"}], "id_str": "644251028267728896", "source": "<a href=\"http://twitter.com\" rel=\"nofollow\">Twitter Web Client</a>", "deleted": false, "hashtags": [{"text": "AmericanCures"}, {"text": "RallyMedRes"}], "retrieved": "2017-02-01--02-34-32", "created_at": "Wed Sep 16 20:46:29 +0000 2015", "retweet_count": 4, "user_mentions": [], "favorite_count": 7, "legacy_imported": true}