def METHOD_NAME(signer_key: SolPubKey, recent_block_slot: int) -> ALTAddress:
    acct, nonce = SolPubKey.find_program_address(
        seeds=[bytes(signer_key), recent_block_slot.to_bytes(8, "little")],
        program_id=ADDRESS_LOOKUP_TABLE_ID
    )
    return ALTAddress(str(acct), recent_block_slot, nonce)