respond: signer=near-mpc-staking4all-01.near, request=SignatureRequest { epsilon: SerializableScalar { scalar: Scalar(Uint(0xA0F543DB4FCC49EA7D8ACCB33372A41BFCCA3EFEE408049960BB383C07E07D0E)) }, payload_hash: SerializableScalar { scalar: Scalar(Uint(0xD1E5B98F9DE1356ED4FDD06E736E39DA2C229F5001A3FB4D9B4DF3FC0E0F2C66)) } } big_r=SerializableAffinePoint { affine_point: AffinePoint { x: FieldElement(FieldElement10x26([14998116, 65377327, 40696176, 18578415, 49941524, 27116883, 29346245, 3641128, 45879557, 376652])), y: FieldElement(FieldElement10x26([44502180, 23830104, 1950365, 50066612, 45657226, 31110416, 32389559, 25162544, 57730398, 3391193])), infinity: 0 } } s=SerializableScalar { scalar: Scalar(Uint(0x43A877B2446DE9CF3DBD1EF6B451306137B85A27D8F4888E2BFA3C32AE7B57FA)) }