0xf1be6303…f564sent to0x6e38a457…4d66·#13,323,904·0x2bc100d3…09699a
To messy wrap this: claimant signs hash of message relinquishing claim to wrapper contract. Wrapper verifies claimant's declaration using sig & hash (ecrecover), mints new NFT to claimant & embeds sig and hash in it.