{"id": 643535787334701056, "lang": "en", "text": "Researchers at @NASA propose using @SpaceX Falcon/Dragon for Mars sample return mission http://t.co/U6LNKyF4Jr", "urls": [{"url": "http://t.co/U6LNKyF4Jr", "expanded_url": "http://news.yahoo.com/red-dragon-mars-sample-return-mission-could-launch-114405239.html"}], "user": {"id": 44196397}, "id_str": "643535787334701056", "source": "<a href=\"http://twitter.com\" rel=\"nofollow\">Twitter Web Client</a>", "deleted": false, "hashtags": [], "retrieved": "2018-03-30--06-29-39", "created_at": "Mon Sep 14 21:24:22 +0000 2015", "retweet_count": 1306, "user_mentions": [{"id": 11348282, "name": "NASA", "screen_name": "NASA"}, {"id": 34743251, "name": "SpaceX", "screen_name": "SpaceX"}], "favorite_count": 2083, "legacy_imported": true}