json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "object",
      "required": [
          "DomainName"
      ],
      "properties": {
          "DomainName": {
              "type": "string"
          },
          "SubjectAlternativeNames": {
              "type": "array",
              "items": {
                  "type": "string"
              },
              "minItems": 1,
              "_uniqueItems": true
          },
          "IdempotencyToken": {
              "type": "string"
          },
          "DomainValidationOptions": {
              "type": "array",
              "items": {
                  "type": "object"
              },
              "minItems": 1,
              "_uniqueItems": true
          }
      }
  }