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

YBVZBY, XETTRXB HRE UBYB VL NZNRC. VLZ XETTRXB HRE UBYB V KBKABY RW
JRLDYBXX. AEC N YBTBVC KHXBGW.
-- KVYI CUVNL