https://github.com/LorenFrankLab/trodes_to_nwb/blob/5359ff6d490fa0a558e352235a9d7a461d88f437/src/trodes_to_nwb/convert_intervals.py#L94 - timestamps converted to nanosecond but unit recorded as seconds. - Should just store in seconds - Probably stems from wanting to match the files made by rec_to_nwb
