respond: signer=mpc-lgns.near, request=SignatureRequest { tweak: Tweak([190, 10, 29, 211, 168, 189, 168, 124, 215, 110, 243, 21, 48, 222, 151, 135, 198, 139, 59, 162, 226, 116, 2, 154, 52, 25, 9, 175, 166, 53, 70, 54]), payload: Eddsa(BoundedVec { inner: [193, 81, 189, 21, 52, 195, 201, 159, 168, 152, 114, 69, 18, 212, 120, 142, 132, 112, 44, 164, 56, 96, 152, 93, 132, 195, 200, 183, 186, 66, 230, 48], witness: NonEmpty(()) }), domain_id: DomainId(1) }