test.json

{
  "Objects": [
    {
      "Class": "A",
      "Name": "image1",
      "Layers": [
        {
          "DrawMode": 0,
          "Shape": {
            "$type": "JsonNETHideObjectTest.MCircle, JsonNETHideObjectTest",
            "Center": "667.126739375705,127.059044753667",
            "RadiusX": 86.377240728513485,
            "RadiusY": 86.377240728513485
          }
        },
        {
          "DrawMode": 0,
          "Shape": {
            "$type": "JsonNETHideObjectTest.MPolygon, JsonNETHideObjectTest",
            "Point0": "1243.0011282437,308.048138397894",
            "Points": [
              "976.453553967657,452.839413313276",
              "1479.93230537796,847.724708537044",
              "1664.21210981572,535.107183151561"
            ]
          }
        },
        {
          "DrawMode": 1,
          "Shape": {
            "$type": "JsonNETHideObjectTest.MRectangle, JsonNETHideObjectTest",
            "P0": "565.114704776231,725.968409176382",
            "P1": "960,1068.20233170365"
          }
        }
      ]
    },
    {
      "Class": "A",
      "Name": "image2",
      "Layers": [
        {
          "DrawMode": 0,
          "Shape": {
            "$type": "JsonNETHideObjectTest.MCircle, JsonNETHideObjectTest",
            "Center": "226.171493042497,502.200075216247",
            "RadiusX": 146.94414717221008,
            "RadiusY": 146.94414717221008
          }
        }
      ]
    }
  ]
}