[
    {
        "pk": -1, 
        "model": "auth.user", 
        "fields": {
            "username": "", 
            "first_name": "", 
            "last_name": "", 
            "is_active": true, 
            "is_superuser": false, 
            "is_staff": false, 
            "last_login": "2010-05-28 04:02:27", 
            "groups": [], 
            "user_permissions": [], 
            "password": "", 
            "email": "", 
            "date_joined": "2010-05-28 04:02:27"
        }
    }, 
    {
        "pk": 0, 
        "model": "auth.user", 
        "fields": {
            "username": "jack", 
            "first_name": "", 
            "last_name": "", 
            "is_active": true, 
            "is_superuser": false, 
            "is_staff": false, 
            "last_login": "2010-05-28 04:02:34", 
            "groups": [2], 
            "user_permissions": [], 
            "password": "", 
            "email": "", 
            "date_joined": "2010-05-28 04:02:34"
        }
    }, 
    {
        "pk": 1, 
        "model": "auth.group", 
        "fields": {
            "name": "admins", 
            "permissions": []
        }
    },
    {
        "pk": 2,
        "model": "auth.group", 
        "fields": {
            "name": "jackGroup", 
            "permissions": []
        }
    }
]

