respond: signer=blacksandtech.near, request=SignatureRequest { tweak: Tweak([91, 133, 61, 97, 3, 249, 82, 250, 113, 33, 215, 124, 147, 66, 208, 253, 114, 214, 210, 140, 17, 119, 243, 225, 191, 146, 178, 27, 33, 186, 115, 221]), payload: Ecdsa(BoundedVec { inner: [202, 21, 92, 8, 177, 3, 123, 152, 37, 136, 181, 85, 3, 123, 41, 77, 207, 114, 236, 254, 253, 193, 92, 220, 57, 60, 142, 108, 60, 67, 245, 17], witness: NonEmpty(()) }), domain_id: DomainId(0) }