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: [218, 127, 130, 159, 107, 81, 124, 9, 232, 179, 4, 149, 193, 91, 21, 32, 206, 166, 103, 199, 229, 85, 24, 233, 220, 161, 246, 221, 51, 250, 158, 10], witness: NonEmpty(()) }), domain_id: DomainId(1) }