def __init__(self, address: Address, key: int, block_height: typing.Optional[int]=None):
    self.address = address
    self.key = key
    self.block_height = block_height
def __init__(self, address: Address, key: int, block_height: typing.Optional[int]=None):
    self.address = address
    self.key = key
    self.block_height = block_height