Process string, when is not base64

Signed-off-by: Fabio José <[email protected]>

Author: fabiojose

lib/utils/fun.js

@@ -56,7 +56,7 @@ const asData = (data, contentType) => {
   let result = data;
 
   // pattern matching alike
-  result = isString(result) && isJsonContentType(contentType)
+  result = isString(result) && !isBase64(result) && isJsonContentType(contentType)
     ? JSON.parse(result)
     : result;