wagtail_bakerydemo/bakerydemo/base/fixtures/bakerydemo.json

[{
    "model": "auth.user",
    "pk": 1,
    "fields": {
        "password": "pbkdf2_sha256$30000$E9Uhcl4mkQtv$WxS3m0ZzdJXWmI7nAae9wmybd2L2HK5zgjHHXc65+oo=",
        "last_login": null,
        "is_superuser": true,
        "username": "admin",
        "first_name": "",
        "last_name": "",
        "email": "",
        "is_staff": true,
        "is_active": true,
        "date_joined": "2017-02-10T12:48:21.920Z",
        "groups": [],
        "user_permissions": []
    }
}]