MQTT data having wrong time stamp

Hi team,
From past few days some of the data is published with wrong time stamp in client.
For example:
we have a tag called downtime .during one of the scnerio the real time stamp was “2025-03-10 11:22:20” but from ignition it is published as “2024-12-11 17:19:59”.

The ignition tag time stamp is looking good. the same tag is historized in ignition and the historized timestamp also looks good.
Also this is not happening with all tags . only for few tags occasionally. so i am finding difficult to troubleshoot the root cause.

I’m a bit confused. The ignition tag has the correct timestamp? Is that at the Transmission or Engine side? Where are you seeing the invalid timestamp?