Detais is on nostr:nprofile1qyt8wumn8ghj7etyv4hzumn0wd68ytnvv9hxgtcpz9mhxue69uhk6mnv9emrqmpwd9hj7qpqhcwcj72tlyk7thtyc8nq763vwrq5p2avnyeyrrlwxrzuvdl7j3use4zreu X page. You just have to zap 21 sats from WOS to anyone to enter. The description of the payment will show you entered the giveaway.