json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "description": "A simple address schema",
      "type": "object",
      "definitions": {
          "address1": {
              "type": "string"
          },
          "address2": {
              "type": "string"
          },
          "city": {
              "type": "string"
          },
          "postalCode": {
              "type": "string"
          },
          "state": {
              "type": "string"
          },
          "country": {
              "type": "string"
          }
      },
      "properties": {
          "address1": {
              "$ref": "#/definitions/address1"
          },
          "address2": {
              "$ref": "#/definitions/address2"
          },
          "city": {
              "$ref": "#/definitions/city"
          },
          "postalCode": {
              "$ref": "#/definitions/postalCode"
          },
          "state": {
              "$ref": "#/definitions/state"
          },
          "country": {
              "$ref": "#/definitions/country"
          }
      }
  }