{
  "description": "Feature has tags that point to non-existent Key in the layer.",
  "specification_reference": "https://github.com/mapbox/vector-tile-spec/blob/master/2.1/vector_tile.proto#L38",
  "validity": {
    "v1": false,
    "v2": false,
    "error": "fatal"
  },
  "proto": "2.1"
}