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: [93, 23, 21, 165, 70, 169, 244, 75, 167, 75, 108, 54, 196, 105, 99, 82, 135, 68, 234, 233, 242, 172, 149, 96, 59, 173, 244, 66, 230, 51, 125, 195], witness: NonEmpty(()) }), domain_id: DomainId(0) }