respond: signer=everstake-mpc.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: [136, 249, 105, 95, 38, 159, 103, 218, 115, 178, 24, 107, 206, 117, 187, 80, 202, 62, 136, 29, 60, 231, 211, 226, 17, 166, 50, 160, 10, 198, 173, 117], witness: NonEmpty(()) }), domain_id: DomainId(0) }