{
    "name": "InvalidTestSchema",
    "version": 1234567890,
    "columns": [
        {
            "name": "id",
            "offset": 0,
            "length": 9,
            "dtype": "Int32",
            "alignment": "Right",
            "pad_symbol": "Whitespace",
            "is_nullable": false
        },
        {
            "name": "name",
            "offset": 9,
            "length": 32,
            "dtype": "Utf8",
            "alignment": "Right",
            "pad_symbol": "Whitespace",
            "is_nullable": false
        },
        {
            "name": "city",
            "offset": 41,
            "length": 32,
            "dtype": "Utf8",
            "alignment": "Right",
            "pad_symbol": "Whitespace",
            "is_nullable": true
        },
        {
            "name": "employed",
            "offset": 73,
            "length": 5,
            "dtype": "Boolean",
            "alignment": "Right",
            "pad_symbol": "Hyphen",
            "is_nullable": true 
        },
        {
            "name": "salary",
            "offset": 78,
            "length": 10,
            "dtype": "Float32",
            "is_nullable": false,
        }
    ]
}