Hello
I read your proposal carefully and so confident with this work.
Because I have many experiences with json parsing work.
And most important thing is I'm an D3.js expert.(Chart, Graph, Map,,,)
In these fields, I use json structure from several kinds of datasets.
I believe my experience will be satisfy your requirements.
So I will work for your project and my success on this site, not focusing on money.
You will see my honest and ability.
I can start the work right now!
Best regards