respond: signer=mpc-lgns.near, request=SignatureRequest { tweak: Tweak([179, 110, 157, 20, 139, 218, 96, 194, 234, 186, 36, 56, 139, 123, 245, 253, 46, 243, 99, 181, 87, 116, 107, 201, 166, 218, 182, 194, 251, 99, 132, 245]), payload: Ecdsa(BoundedVec { inner: [237, 208, 170, 91, 148, 246, 227, 101, 228, 113, 146, 171, 9, 224, 229, 149, 249, 88, 239, 205, 133, 157, 79, 1, 120, 116, 136, 34, 142, 40, 78, 70], witness: NonEmpty(()) }), domain_id: DomainId(0) }