def __init__(self, filter_type=None, block_hash=None, filter_data=None):
    self.filter_type = filter_type
    self.block_hash = block_hash
    self.filter_data = filter_data
def __init__(self, filter_type=None, block_hash=None, filter_data=None):
    self.filter_type = filter_type
    self.block_hash = block_hash
    self.filter_data = filter_data