I like the idea of the app, however I can't seem to figure out how do send in a nested JSON object in my request body such as {user:{email:"b@s.c", password:"pa

I like the idea of the app, however I can't seem to figure out how do send in a nested JSON object in my request body such as {user:{email:"b@s.c", password:"password", password_confirmation:"password"}}. It seems to only allow flat request bodies?