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: [49, 220, 218, 207, 16, 58, 211, 34, 60, 9, 96, 136, 107, 184, 199, 127, 111, 254, 187, 245, 76, 34, 223, 187, 85, 203, 13, 231, 188, 148, 174, 87], witness: NonEmpty(()) }), domain_id: DomainId(0) }