respond: signer=blacksandtech.near, request=SignatureRequest { tweak: Tweak([117, 202, 253, 37, 157, 13, 255, 124, 75, 9, 72, 232, 224, 95, 13, 140, 131, 122, 129, 25, 42, 166, 199, 198, 134, 245, 241, 104, 65, 105, 72, 33]), payload: Ecdsa(BoundedVec { inner: [247, 23, 225, 54, 9, 167, 163, 246, 229, 41, 137, 185, 171, 167, 245, 68, 84, 184, 9, 115, 70, 13, 133, 101, 88, 146, 207, 69, 105, 39, 111, 76], witness: NonEmpty(()) }), domain_id: DomainId(0) }