{
    "list_1": ["test", 1, {"1": 1, "2": 2}, 2, [], 3, true],
    "list_2": ["test", 1, {}, 2, [10, 20, 30], 3, false],
    "list_3": ["test", 1, {}, 2, [], 3, false],
    "empty_field": "",
    "extra_field": "aaaa"
}