Delphi XE7 how to pass Cyrillic to JSON?

Question

Delphi

It is not possible to transfer Cyrillic wrapped in JSON through Indy.
What I do: I
create a TJSON object with some fields in Cyrillic
In an object of type TIdMultiPartFormDataStream I add a data field where the value is a string representation of the object
I execute a Post request passing it an object of type TIdMultiPartFormDataStream.
What I get:
I get question marks on the server side.
I tried to encode in BASE64, but in this case the validator swears:

Answer 1

Problem solved.
The bottom line is that I was trying to base64 encode only the key values, now I just encoded the JSON string representation of the object and got what I wanted.

Answer 2

Went through a bunch of fonts.
I settled on BigNoodleThiling.
The question is closed.

Answer 3

This is an artificially distorted Roboto Condensed