private static String parseMessage(byte[] json) {
        try {
            return parse(null, json).message;
        }
        catch (Exception e) {
            return new String(json, UTF_8);
        }
    }
HTTP implementation of {@link FeedClient}

@author bjorncs
@author jonmv
vespa-feed-client/src/main/java/ai/vespa/feed/client/impl/HttpFeedClient.java