respond: signer=near-mpc-staking4all-01.testnet, request=SignatureRequest { tweak: Tweak([219, 168, 68, 128, 219, 92, 120, 51, 228, 10, 113, 57, 202, 242, 53, 98, 58, 18, 212, 95, 163, 11, 30, 1, 27, 145, 164, 100, 243, 254, 131, 159]), payload: Ecdsa(BoundedVec { inner: [222, 134, 138, 54, 78, 231, 37, 30, 62, 196, 202, 153, 28, 125, 61, 218, 7, 16, 229, 53, 241, 137, 66, 97, 222, 250, 62, 72, 18, 185, 33, 89], witness: NonEmpty(()) }), domain_id: DomainId(0) }