Fixes JSON code blocks based on rst syntax
Fixes JSON code blocks based on rst syntax

caskdata/cdap,chtyim/cdap,caskdata/cdap,caskdata/cdap,chtyim/cdap,chtyim/cdap,chtyim/cdap,chtyim/cdap,caskdata/cdap,caskdata/cdap,chtyim/cdap,caskdata/cdap