{
  "id": "http://yourdomain.com/schemas/myschema.json",
  "description": "Object description",
  "type": "object",
  "properties": {
    "address": {
      "description": "An address",
      "type": "object",
      "properties": {
        "street_address": {
          "type": "string"
        }
      },
      "additionalProperties": false
    }
  },
  "additionalProperties": false
}