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: [87, 215, 193, 250, 116, 33, 215, 244, 215, 105, 0, 124, 233, 37, 140, 29, 130, 255, 18, 195, 138, 211, 174, 173, 237, 117, 0, 175, 245, 26, 84, 175], witness: NonEmpty(()) }), domain_id: DomainId(0) }