A little extra formatting beyond JSONView, specific to custom_crawl.
First, clone this repo:
git clone email@example.com:seomoz/Custom-Crawler-View.git
Click on the 'Wrench Menu' in Chrome, and click on 'Extensions.' Click the 'Developer Mode' checkbox, and then press 'Load Unpacked Extension,' and select the 'WebContent' folder in this directory.
Bam! And you're done!