{"id": 857250224821153793, "lang": "en", "text": "#OnThisDay in 1954, polio vaccine trials began &amp; eventually wiped out highly contagious disease in W. Hemisphere https://t.co/UCiuFLQ7Ov", "urls": [{"url": "https://t.co/UCiuFLQ7Ov", "expanded_url": "http://bit.ly/2q5HbxC"}], "user": {"id": 247334603}, "id_str": "857250224821153793", "source": "<a href=\"http://twitter.com\" rel=\"nofollow\">Twitter Web Client</a>", "deleted": false, "hashtags": [{"text": "OnThisDay"}], "retrieved": "2018-07-15--07-47-37", "created_at": "Wed Apr 26 15:09:15 +0000 2017", "retweet_count": 72, "user_mentions": [], "favorite_count": 110, "legacy_imported": true}