Cleaned users: [user1 user2]

Resulting Database:
GroupByID:
    "33333": '{"Name":"group3","GID":33333}'
    "99999": '{"Name":"commongroup","GID":99999}'
GroupByName:
    commongroup: '{"Name":"commongroup","GID":99999}'
    group3: '{"Name":"group3","GID":33333}'
GroupToUsers:
    "33333": '{"GID":33333,"UIDs":[3333]}'
    "99999": '{"GID":99999,"UIDs":[3333]}'
UserByID:
    "3333": '{"Name":"user3","UID":3333,"GID":33333,"Gecos":"User3","Dir":"/home/user3","Shell":"/bin/zsh","LastPwdChange":-1,"MaxPwdAge":-1,"PwdWarnPeriod":-1,"PwdInactivity":-1,"MinPwdAge":-1,"ExpirationDate":-1,"LastLogin":"ABCDETIME"}'
UserByName:
    user3: '{"Name":"user3","UID":3333,"GID":33333,"Gecos":"User3","Dir":"/home/user3","Shell":"/bin/zsh","LastPwdChange":-1,"MaxPwdAge":-1,"PwdWarnPeriod":-1,"PwdInactivity":-1,"MinPwdAge":-1,"ExpirationDate":-1,"LastLogin":"ABCDETIME"}'
UserToBroker:
    "3333": '"ExampleBrokerID"'
UserToGroups:
    "3333": '{"UID":3333,"GIDs":[33333,99999]}'
