respond: signer=natsai-mpc.near, request=SignatureRequest { tweak: Tweak([208, 95, 172, 156, 235, 115, 151, 103, 84, 56, 34, 177, 178, 86, 211, 18, 64, 62, 135, 77, 190, 9, 186, 199, 8, 154, 20, 36, 141, 247, 253, 45]), payload: Ecdsa(BoundedVec { inner: [117, 60, 221, 114, 241, 114, 247, 159, 42, 46, 32, 105, 115, 214, 61, 105, 235, 221, 114, 181, 40, 214, 69, 184, 234, 58, 241, 188, 51, 157, 7, 27], witness: NonEmpty(()) }), domain_id: DomainId(0) }