{ "X3D": {
    "encoding":"UTF-8",
    "@profile":"Core",
    "@version":"4.0",
    "@xsd:noNamespaceSchemaLocation":"https://www.web3d.org/specifications/x3d-4.0.xsd",
    "JSON schema":"https://www.web3d.org/specifications/x3d-4.0-JSONSchema.autogenerated.json",
    "Scene": {
        "-children":[
          {
            "#comment":"Minimalist X3D file, can also delete DOCTYPE and this comment."
          }
        ]
    }
  }
}