def parse_featured_channels(item):
    """
    Parses and processes raw output and returns a dictionary where the key is the channel_id and the key is a list of channel URLs.
    
    :params item: json document
    :type item: dict

    :returns: parsed dictionary
    :rtype: dict
    """
    if not isinstance(item, dict):
        return dict()
    d = {}
    d[item['id']] = item['brandingSettings']['channel'].get(
        'featuredChannelsUrls', [])
    return d
