respond: signer=mpch-01.near, request=SignatureRequest { tweak: Tweak([251, 150, 171, 64, 107, 96, 175, 39, 224, 110, 182, 11, 116, 27, 137, 112, 233, 75, 40, 200, 86, 92, 163, 139, 243, 112, 92, 243, 54, 204, 228, 190]), payload: Eddsa(BoundedVec { inner: [183, 96, 69, 4, 156, 40, 244, 67, 21, 75, 224, 166, 16, 121, 93, 120, 42, 94, 82, 7, 19, 79, 90, 121, 127, 37, 205, 192, 125, 139, 201, 82], witness: NonEmpty(()) }), domain_id: DomainId(1) }