function attachAsset(
        uint256 _tokenId
    )
        public
        canTransfer(_tokenId)
    {
        uint256 isAttached = getIsNFTAttached(_tokenId);

        require(isAttached == 0);
        isAttached = 1;

        updateIsAttached(_tokenId, isAttached);

        emit NFTAttached(msg.sender, _tokenId);
    }