respond: signer=near-mpc-staking4all-01.near, request=SignatureRequest { epsilon: SerializableScalar { scalar: Scalar(Uint(0xA0F543DB4FCC49EA7D8ACCB33372A41BFCCA3EFEE408049960BB383C07E07D0E)) }, payload_hash: SerializableScalar { scalar: Scalar(Uint(0x4589C50C014A5029E7ED08E212EAA3FD06BA2499EEF07299727275A05C4C9AEB)) } } big_r=SerializableAffinePoint { affine_point: AffinePoint { x: FieldElement(FieldElement10x26([41821735, 61939355, 33598221, 58521324, 21040887, 18951187, 8299708, 64143767, 60983942, 169629])), y: FieldElement(FieldElement10x26([41415537, 60856767, 40914581, 4191104, 38461076, 6999792, 17234181, 63741853, 62338403, 2073852])), infinity: 0 } } s=SerializableScalar { scalar: Scalar(Uint(0x3924F4BD2609150BA10ADFE21442C89BD302801F6BCC59016B23AA4458ED7CB0)) }