How to encode JSON embedded within JSON

Question

I have a JSON string and one of the fields is a text field. This text field can contain text that a user enters in the UI and if the text they enter is JSON text, perhaps to

Answer 1

I'm doing something similar, just with XML instead of JSON: On receiving malformed or otherwise non-processable data the server returns an error-structure containing some information and the original data. To prevent the client from parsing the corrupt data again it's base64 encoded on the server.

So instead of sending

{
  title : "My sample code",
  payload : "{ \"foo\" : \"bar\" }"
}

consider sending

{
  title : "My encoded sample code",
  payload : "eyAiZm9vIiA6ICJiYXIiIH0="
}