You don’t mention what time granularity you specified on the connection. It looks like you are using ns
There is a 4th (optional) parameter on the api client that is used to specify the granularity e.g ‘ns’ or ‘ms’ …
I’m using the Interctive line protocol window on the GUI.
Let’s assume my Unix timestamp is 1656367200 (seconds since the origin of Unix time).
I add 9 zeros to convert to ns and enter the line protocol text: