{
    "age1": 32,
    "age2": 33,
    "age3": 15,
    "age4": -20,
    "age1_custom_error": 37,
    "age2_custom_error": 38,
    "age3_custom_error": 16,
    "age4_custom_error": -10,
    "extra_field": 12
}