respond: signer=blacksandtech.near, request=SignatureRequest { tweak: Tweak([166, 111, 40, 228, 127, 162, 37, 54, 58, 121, 35, 119, 107, 80, 251, 217, 123, 233, 47, 42, 231, 216, 166, 202, 32, 23, 231, 213, 169, 124, 82, 211]), payload: Ecdsa(BoundedVec { inner: [189, 222, 244, 197, 64, 203, 54, 144, 225, 224, 218, 123, 218, 250, 110, 141, 193, 106, 42, 186, 7, 148, 97, 151, 227, 140, 62, 218, 52, 229, 226, 106], witness: NonEmpty(()) }), domain_id: DomainId(0) }