I want to get kubernetes metrics. What clickhouse command shoud I use? I tried to use SELECT DISTINCT JSONExtractString(time_series.labels, '__name__') AS metrics. but It show "Query id: 72967d57-c895-48bb-8046-8ecabece9503 0 rows in set. Elapsed: 0.065 sec. Received exception from server (version 22.8.8): Code: 60. DB:Exception Received from localhost:9000. DB:Exception Table signoz_metrics.time_series doesn't exist. (UNKNOWN_TABLE)"