json pretty print [feature request]

[damianobarbati]

What about integrating this under a flag? https://gist.github.com/jpmens/f4d8819b0d4a0821c0f3

[andypayne]

PR #74 submitted for this

[rijnhard]

This would be great

[akshaykhairmode]

I am working on a CLI tool similar to wscat where I have added JSON support.

You can check it out if you like. https://github.com/akshaykhairmode/wscli/releases/tag/v0.0.1