{
  "name": "KeyFrameId",
  "key": {
    "int": 50,
    "string": "keyframeid"
  },
  "extends": "animation/interpolating_keyframe.json",
  "properties": {
    "value": {
      "type": "Id",
      "typeRuntime": "uint",
      "initialValue": "Core.missingId",
      "initialValueRuntime": "-1",
      "key": {
        "int": 122,
        "string": "value"
      }
    }
  }
}