respond: signer=mpc-lgns.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: Eddsa(BoundedVec { inner: [94, 166, 216, 101, 226, 150, 73, 126, 161, 43, 7, 189, 90, 81, 26, 83, 4, 92, 17, 11, 29, 255, 227, 135, 219, 123, 49, 238, 66, 161, 247, 202], witness: NonEmpty(()) }), domain_id: DomainId(1) }