respond: signer=stakin-mpc.near, request=SignatureRequest { tweak: Tweak([156, 175, 197, 167, 128, 23, 164, 88, 201, 222, 33, 62, 231, 205, 157, 102, 244, 225, 25, 46, 184, 169, 67, 153, 41, 55, 137, 75, 219, 26, 57, 145]), payload: Ecdsa(BoundedVec { inner: [25, 134, 8, 230, 165, 36, 251, 195, 173, 142, 90, 158, 135, 92, 161, 78, 191, 246, 79, 164, 0, 14, 192, 137, 174, 65, 145, 207, 251, 144, 193, 255], witness: NonEmpty(()) }), domain_id: DomainId(0) }