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: [175, 215, 19, 153, 173, 104, 212, 125, 109, 100, 123, 116, 196, 55, 147, 140, 214, 73, 184, 131, 199, 252, 57, 175, 12, 238, 28, 169, 1, 75, 160, 165], witness: NonEmpty(()) }), domain_id: DomainId(0) }