respond: signer=stakin-mpc2.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: [207, 148, 54, 194, 29, 249, 235, 171, 153, 83, 192, 236, 83, 246, 100, 88, 41, 123, 155, 53, 167, 138, 9, 180, 17, 11, 30, 80, 237, 47, 51, 179], witness: NonEmpty(()) }), domain_id: DomainId(1) }