rojo/rojo-test/syncback-tests/project_default_properties_remove/input-project/default.project.json

{
  "name": "SyncbackTest",
  "tree": {
    "$className": "DataModel",
    "Workspace": {
      "$className": "Workspace",
      "TestPart": {
        "$className": "Part",
        "$properties": {
          "Transparency": 1.0,
          "Anchored": true,
          "Color": [
            1.0,
            0.0,
            0.0
          ]
        }
      }
    }
  }
}