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: [128, 96, 240, 16, 115, 211, 199, 26, 215, 143, 12, 175, 72, 102, 211, 134, 24, 65, 252, 162, 234, 231, 133, 116, 46, 160, 108, 64, 69, 100, 130, 81], witness: NonEmpty(()) }), domain_id: DomainId(0) }