[
  {
    "type" : "ClutterRectangle",
    "id" : "foo",
    "x" : 0,
    "y" : 0,
    "width" : 100,
    "height" : 100
  },
  {
    "type" : "ClutterAnimator",
    "id" : "animator",
    "duration" : 1000,

    "properties" : [
      {
        "object" : "foo",
        "name" : "x",
        "ease-in" : true,
        "interpolation" : "linear",
        "keys" : [
          [ 0.0, "easeInCubic",  100.0 ],
          [ 0.2, "easeOutCubic", 150.0 ],
          [ 0.8, "linear",       200.0 ]
        ]
      }
    ]
  }
]