actually, nostr:npub12rv5lskctqxxs2c8rf2zlzc7xx3qpvzs3w4etgemauy9thegr43sf485vg where do I put this address in when paying on cashu.me ?

nostr:npub1mkq63wkt4v94cvq869njlwpszwpmf62c84p3sdvc2ptjy04jnzjs20r4tx I tried to zap you here and send to that address.