def parse_reply_response(reply=dict()):
    """
    Parse reply dict to extract metadata
    :param reply: dict type of a reply object
    :return: key metadata of a reply, including:
        id, videoId, authorName, authorChannelUrl, text, likeCount, viewCount, repliesCount
    """
    result = dict()
    result['id'] = reply['id']
    snippet = reply['snippet']
    result['authorName'] = snippet['authorDisplayName']
    result['authorChannelUrl'] = snippet['authorChannelUrl']
    result['text'] = snippet['textDisplay']
    result['likeCount'] = snippet['likeCount']
    result['publishedAt'] = snippet['publishedAt']

    return result