sign: predecessor=AccountId("tx-bench.testnet"), request=SignRequestArgs { path: "", payload: Ecdsa(BoundedVec { inner: [126, 94, 197, 190, 45, 41, 112, 32, 191, 24, 238, 43, 15, 78, 71, 242, 128, 243, 190, 93, 14, 15, 23, 116, 48, 128, 97, 179, 24, 137, 187, 126], witness: NonEmpty(()) }), domain_id: DomainId(0) }