Challenge accepted.

This one has "a lot of interactions": https://njump.me/nevent1qqs9cp5kjj23dtgkt75mhyclagy398xyyk0cuyz2w8wfgr3nyn7j0wcpp4mhxue69uhkummn9ekx7mqppamhxue69uhkummnw3ezumt0d5q3jamnwvaz7tms09exzmtfvshxv6tpw34xze3wvdhk6qgkwaehxw309aex2mrp0yhxummnw3ezucnpdejqz9rhwden5te0wfjkccte9ehx7um5wghxyecpzemhxue69uhhyetvv9ujuurjd9kkzmpwdejhgq3q80cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsr39ya9

This one, not:
https://njump.me/nevent1qqstgx5v40ghekuujwcdc3ruclzuu54jhdllug4axg42fdlp4hh4tugpp4mhxue69uhkummn9ekx7mqppamhxue69uhkummnw3ezumt0d5q3jamnwvaz7tms09exzmtfvshxv6tpw34xze3wvdhk6qg5waehxw309aex2mrp0yhxummnw3ezucn8qyt8wumn8ghj7un9d3shjtnswf5k6ctv9ehx2aqzyqalp33lewf5vdq847t6te0wvnags0gs0mu72kz8938tn24wlfze6zp35a4

The former is visible ALSO on relay.nostr.band, the latter is not.

Further:
- The former is 7 seconds ahead of the latter.

Aside from that, .id, .sig and .created_at are different, as expected. So, the only true difference is: relay.nostr.band.

That is actually mindblowing.