I'm handling a json string converted into a namespace.
Here's a toy example to illustrate my concern: What if a malicious client POSTed this payload?
js←'{"foo": "bar", "⎕OFF": "bye"}' ⍝ this is what is POSTed by a client
ns←(⎕JSON ⍠'D')js ⍝ when the payload reaches my code it...