Here is 1 saying encoded using a letter for letter replacement:

RCS XMFZ AOZ RX ISSE ZXKT CSOFRC PJ RX SOR ACOR ZXK NXM'R AOMR, NTPMI ACOR
ZXK NXM'R FPIS, OMN NX ACOR ZXK'N TORCST MXR.
-- VOTI RAOPM