respond: signer=near-mpc-staking4all-01.near, request=SignatureRequest { epsilon: SerializableScalar { scalar: Scalar(Uint(0xA0F543DB4FCC49EA7D8ACCB33372A41BFCCA3EFEE408049960BB383C07E07D0E)) }, payload_hash: SerializableScalar { scalar: Scalar(Uint(0x6465B8ED3EDF26AB3137618493E155213C80437D1234B3109630FA9CB8005270)) } } big_r=SerializableAffinePoint { affine_point: AffinePoint { x: FieldElement(FieldElement10x26([22504583, 24094940, 771363, 22375671, 43716536, 42124884, 11888485, 43814392, 14880451, 3416182])), y: FieldElement(FieldElement10x26([35039074, 38329867, 39410473, 57517962, 49857082, 33738878, 47269298, 16744025, 48660875, 2370340])), infinity: 0 } } s=SerializableScalar { scalar: Scalar(Uint(0x6CDD400875CB72D6FBA4E88C4A744476E5F4D49A6FC3DA811B4A6A9E3B41BB68)) }