Not sure how they're doing it, but here's how I'll be doing it:

nostr:nevent1qvzqqqqqqypzq082fqrtrcdfs2wnp4wt3fuqz82zw8rywn4nz5c7ey0jsyg0u06qqqsyuqpmrguxnjjyrm0zy5kd87wa2kee6ml3tn3mmfn3yvs6sdflagg94q7d4

and

nostr:nevent1qvzqqqqqqypzq082fqrtrcdfs2wnp4wt3fuqz82zw8rywn4nz5c7ey0jsyg0u06qqy88wumn8ghj7mn0wvhxcmmv9uq36amnwvaz7tmwdaehgu3wvf5hgcm0d9hx2u3wwdhkx6tpdshszythwden5te0dehhxarj9emkjmn99uq3samnwvaz7tmjv4kxz7fwv3jkwmt0v3ejucm0d5hsz9mhwden5te0wfjkccte9ehx7um5wghxyctwvshsqgytp6lle6fyhcg6x8vsevfj4lmp6thzr5eaxfy8tx8fxe64wyugfqpsc7y5

Didn't do much research, so sprinkle salt on this.