v1.13.2/website/docs/language/state/examples/encryption/keyprovider-external-output.json

{
  "key": {
    "encryption_key": "newly generated base64-encoded encryption key",
    "decryption_key": "base64-encoded decryption key, if input meta was present, omitted otherwise"
  },
  "meta": {
    "external_data": {
      "key1": "value1",
      "key2": "value2"
    }
  }
}