In a security-critical context, I would much rather use a format where every byte is specified than delegate to something with as much flexibility as JSON. I me

In a security-critical context, I would much rather use a format where every byte is specified than delegate to something with as much flexibility as JSON. I mean, I guess we could have used a JSON object like {"Msg": "text", "Sig": "signature"} but there's so much opportunity for surprises there and so little benefit to JSON.