{
    "namespace": "cs5604.tweet.social",
    "type": "record",
    "name": "TweetUser",
    "fields": [
        {"name":"user_id","type":"string"},
        {"name":"user_screen_name","type":"string"},
        {"name":"follower_count","type":"int"},
        {"name":"list_count", "type":"int"}
    ]
}