respond: signer=bitwise-mpc01.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: [98, 190, 94, 224, 9, 112, 131, 130, 224, 154, 230, 179, 138, 253, 152, 246, 227, 72, 46, 70, 31, 202, 82, 175, 148, 187, 46, 220, 64, 34, 217, 209], witness: NonEmpty(()) }), domain_id: DomainId(0) }