{
  "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"
  },
  "json": {
    "layers": [
      {
        "version": 2,
        "name": "hello",
        "features": [
          {
            "id": 1,
            "tags": [
              2,
              1
            ],
            "type": 1,
            "geometry": [
              9,
              50,
              34
            ]
          }
        ],
        "keys": [
          "type"
        ],
        "values": [
          {
            "string_value": "park"
          },
          {
            "string_value": "lake"
          }
        ],
        "extent": 4096
      }
    ]
  },
  "proto": "2.1"
}