respond: signer=greenfield-keeper.testnet, request=SignatureRequest { tweak: Tweak([219, 168, 68, 128, 219, 92, 120, 51, 228, 10, 113, 57, 202, 242, 53, 98, 58, 18, 212, 95, 163, 11, 30, 1, 27, 145, 164, 100, 243, 254, 131, 159]), payload: Ecdsa(BoundedVec { inner: [33, 110, 182, 29, 197, 108, 1, 23, 156, 231, 99, 25, 21, 101, 207, 22, 238, 190, 34, 228, 177, 112, 55, 248, 214, 224, 215, 81, 92, 28, 33, 148], witness: NonEmpty(()) }), domain_id: DomainId(0) }