At present, you can’t sign for on-chain addresses, only for the Lightning node’s pubkey
nostr:nprofile1qqsrf5h4ya83jk8u6t9jgc76h6kalz3plp9vusjpm2ygqgalqhxgp9gpzfmhxue69uhk7enxvd5xz6tw9ec82cspp4mhxue69uhkummn9ekx7mqpzpmhxue69uhkummnw3ezumrpdejqd2970s how can i choose the private key to use to sign a message?
At present, you can’t sign for on-chain addresses, only for the Lightning node’s pubkey
