{
  "subgraph_metadata": [
    {
      "input_tensor_metadata": [
        {
          "name": "input text",
          "description": "The input string.",
          "content": {
            "content_properties_type": "FeatureProperties",
            "content_properties": {
            }
          },
          "process_units": [
            {
              "options_type": "RegexTokenizerOptions",
              "options": {
                "delim_regex_pattern": "[^\\w\\']+",
                "vocab_file": [
                  {
                    "name": "vocab.txt",
                    "description": "Vocabulary file to convert natural language words to embedding vectors.",
                    "type": "VOCABULARY"
                  }
                ]
              }
            }
          ],
          "stats": {
          }
        }
      ]
    }
  ]
}
