respond: signer=mpc-lgns.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: [112, 7, 199, 128, 205, 143, 122, 36, 22, 101, 128, 109, 214, 217, 235, 81, 229, 29, 131, 89, 200, 143, 199, 51, 203, 245, 213, 206, 125, 24, 139, 60], witness: NonEmpty(()) }), domain_id: DomainId(0) }