respond: signer=blacksandtech.near, request=SignatureRequest { tweak: Tweak([252, 218, 251, 195, 174, 204, 191, 145, 68, 39, 17, 124, 100, 118, 22, 12, 38, 112, 29, 110, 235, 72, 138, 166, 74, 163, 254, 218, 83, 175, 18, 52]), payload: Ecdsa(BoundedVec { inner: [41, 198, 212, 6, 71, 40, 254, 31, 150, 180, 115, 247, 76, 138, 222, 36, 102, 52, 136, 4, 169, 123, 71, 156, 26, 60, 68, 5, 176, 207, 2, 173], witness: NonEmpty(()) }), domain_id: DomainId(0) }