respond: signer=mpc-lgns.near, request=SignatureRequest { tweak: Tweak([202, 51, 133, 184, 240, 240, 69, 122, 165, 10, 15, 71, 48, 194, 145, 26, 27, 110, 241, 122, 76, 9, 193, 182, 133, 149, 110, 133, 92, 116, 54, 205]), payload: Ecdsa(BoundedVec { inner: [170, 42, 135, 164, 170, 195, 26, 113, 236, 217, 84, 190, 71, 249, 154, 138, 0, 42, 180, 128, 211, 21, 96, 242, 124, 82, 207, 86, 210, 45, 203, 196], witness: NonEmpty(()) }), domain_id: DomainId(0) }