Look at what data Telegram tracks, then look at what Signal tracks.

Then read nostr:npub1qny3tkh0acurzla8x3zy4nhrjz5zd8l9sy9jys09umwng00manysew95gx ‘s note again. nostr:note1jqx259j77w5zmm0042f8kh8yhlxns47pzwst4a83sxcvpm0nht2qas6c49