bug#31138: Native json slower than json.el

[Eli Zaretskii]

> From: yyoncho <yyoncho@gmail.com>
> Date: Tue, 26 Mar 2019 19:45:38 +0200
> Cc: Sébastien Chapuis <sebastien@chapu.is>, 
>       31138@debbugs.gnu.org
> 
> I think I get similar results.
> 
> * ~5mb/s for ~500b message
> * ~15mb/s for ~850kb message
> 
> So it is like ~500ms for 10mb.

But that only makes sense if close to 100% of JSON is strings.  Is
that really so?  Can I see an example of such a JSON?