def spend_account_action(account, amount, asset):
    """
    Get spend account action.

    :param account: bytom account.
    :type account: str
    :param amount: bytom amount.
    :type amount: int
    :param asset: bytom asset.
    :type asset: str
    :returns: dict -- bytom spend account action.

    >>> from shuttle.providers.bytom.utils import spend_account_action
    >>> spend_account_action(bytom_account, bytom_amount, bytom_asset)
    {...}
    """
    return dict(account=account, amount=amount, asset=asset, type=str(
        'spend_account'))
