respond: signer=near-mpc-staking4all-01.near, request=SignatureRequest { epsilon: SerializableScalar { scalar: Scalar(Uint(0xA0F543DB4FCC49EA7D8ACCB33372A41BFCCA3EFEE408049960BB383C07E07D0E)) }, payload_hash: SerializableScalar { scalar: Scalar(Uint(0x2567BF31DD6ED6295521961A674807E8A6319A013543480201414B967775C2F8)) } } big_r=SerializableAffinePoint { affine_point: AffinePoint { x: FieldElement(FieldElement10x26([5318899, 36540712, 49023591, 49115022, 16126693, 4583933, 8599363, 22261837, 4599612, 2973189])), y: FieldElement(FieldElement10x26([39313329, 6222386, 44908355, 52919926, 32872267, 30823207, 44510945, 37882330, 8882110, 1344260])), infinity: 0 } } s=SerializableScalar { scalar: Scalar(Uint(0x713881C5060675BC3579900D386D3D4F60C56F9888651F2E13DC145784929E8F)) }