Struct - before

SCHEMA = StructType([
    StructField('Foo', StringType()),
    StructField('TimeA', StructType([
        StructField('__encode__', StringType()),
        StructField('value', DoubleType()),
    ]), metadata={'encoding': 'timestamp'}),
    StructField('ListOfItems', ArrayType(StructType([
        StructField('Bar', StringType()),
        StructField('Item', StructType([
            StructField('TimeB', StructType([
                StructField('__encode__', StringType()),
                StructField('value', DoubleType()),
            ]), metadata={'encoding': 'timestamp'}),
            StructField('Baz', StringType()),
        ])),
    ]))),
    StructField('ComplexStruct', StructType([
        StructField('ComplexLevel1', StructType([
            StructField('TimeC', StructType([
                StructField('__encode__', StringType()),
                StructField('value', DoubleType()),
            ]), metadata={'encoding': 'timestamp'}),
            StructField('Field', StringType()),
            StructField('ComplexLevel2', StructType([
                StructField('TimeD', StructType([
                    StructField('__encode__', StringType()),
                    StructField('value', DoubleType()),
                ]), metadata={'encoding': 'timestamp'}),
            ])),
            StructField('Foo', IntegerType()),
        ])),
    ])),
])