json['settings']['newsletters']['weekly']
json['info']['address']['city']

newsletters = json['settings']['newsletters']
newsletters['weekly']
address = json['info']['address']
address['city']

user = json['input']
user.settings.newsletters.weekly
user.info.address.city

# Any complex element (one that contains other elements) becomes its own object:
#
# {"id":1,"first":"Tyler","address":{"street":"Paper St.","state":"CA"}}
tyler = Person.find(1)
tyler.address  # => <Person::Address::xxxxx>
tyler.address.street  # => 'Paper St.'

{
    "username": "robert_fitzsimmonds",
    "emails": [{
        "id_number": 1,
        "address": "robert_fitzsimmonds@yahoo.com",
        "confirmed": false
    }, {
        "id_number": 2,
        "address": "robert_fitzsimmonds@gmail.com",
        "confirmed": true
    }],
    "settings": {
        "marketing": {
            "main": true,
            "weekly": false,
            "daily": false
        },
        "language": "English"
    },
    "info": {
        "address": {
            "line_1": "31 Mole Road",
            "line_2": "",
            "city": "London",
            "post_code": "NE4 5RJ"
        },
        "shared_account": false
    }
}