respond: signer=mpch-01.near, request=SignatureRequest { tweak: Tweak([121, 243, 49, 105, 192, 103, 38, 60, 75, 131, 168, 15, 176, 118, 41, 64, 237, 15, 130, 217, 7, 219, 168, 28, 49, 57, 229, 138, 141, 5, 59, 80]), payload: Eddsa(BoundedVec { inner: [166, 62, 242, 77, 177, 149, 223, 145, 167, 84, 14, 195, 22, 15, 232, 206, 231, 5, 196, 77, 108, 94, 5, 75, 241, 105, 137, 157, 77, 244, 242, 88], witness: NonEmpty(()) }), domain_id: DomainId(1) }