https://github.com/ruanyl/vim-gh-line
You can use your local machine's setup to edit remote files with vim scp://user@myserver[:port]//path/to/file.txt.
See http://vimregex.com/#substitute for details.
Replace text: text2 with "text": text2,:
:%s/\(\S.*[^"]\): \(.*\)$/"\1": \2,/g
Replace floating points number with quoted variants:
:%s/[^"]\(\d\+\)\.\(\d\+\)/"\1\.\2"/g