{
    "ipv4_1": "localhost",
    "ipv4_2": "192.257.22.1",
    "ipv4_3": "255.255.05.255",
    "ipv4_4": "192.168.1.1.2",
    "ipv4_5": "192.168.1.2a2",
    "empty_field": "",
    "extra_field": "aaaa",

    "value_is_hash":        {"test": 1},
    "value_is_empty_hash":  {},
    "value_is_array":       ["test", 1],
    "value_is_empty_array": []
}