respond: signer=near-mpc-staking4all-01.near, request=SignatureRequest { epsilon: SerializableScalar { scalar: Scalar(Uint(0xA0F543DB4FCC49EA7D8ACCB33372A41BFCCA3EFEE408049960BB383C07E07D0E)) }, payload_hash: SerializableScalar { scalar: Scalar(Uint(0x851911ED9404E09C7F732D43E63A90BEBA794A75F4FC6D143AA494F9EA837851)) } } big_r=SerializableAffinePoint { affine_point: AffinePoint { x: FieldElement(FieldElement10x26([54003667, 44111374, 33546431, 56158055, 9362813, 25601912, 29770218, 32327348, 14809723, 3938637])), y: FieldElement(FieldElement10x26([4046630, 58773239, 41193013, 51339174, 27683646, 57160715, 28320302, 53906937, 3491482, 1214400])), infinity: 0 } } s=SerializableScalar { scalar: Scalar(Uint(0x64A6653F812954F4E6CAA29A74950B3D9FF24544C102187034CD233BABDB036D)) }