Message preview contains inaccurate data

I have encountered an issue where the message preview contains inaccurate values for data. There seems to be some kind of rounding error in the preview. The data values are shown correctly in the response metadata, but are transformed in the preview panel. So far I have only see this inaccuracy for int64 values from gRPC responses.

The highlighted values show the discrepancies in values between the response metadata and the preview: