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: Ecdsa(BoundedVec { inner: [207, 84, 64, 163, 199, 41, 227, 238, 148, 118, 246, 190, 10, 36, 85, 6, 185, 2, 194, 148, 76, 34, 43, 44, 151, 48, 186, 31, 239, 202, 120, 183], witness: NonEmpty(()) }), domain_id: DomainId(0) }