respond: signer=bitwise-mpc01.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: [77, 196, 165, 170, 175, 51, 167, 163, 98, 65, 55, 247, 211, 15, 219, 190, 111, 121, 24, 14, 75, 53, 219, 246, 3, 164, 50, 180, 63, 63, 128, 58], witness: NonEmpty(()) }), domain_id: DomainId(0) }