{
  "contents": "foo",
  "cells": {
    "0,0": {
      "contents": "f"
    },
    "0,1": {
      "contents": "o",
      "bgcolor": "1"
    },
    "0,2": {
      "contents": "o"
    }
  },
  "cursor_position": [
    0,
    2
  ]
}