{
  "id": "Plan",
  "type": "object",
  "additionalProperties": false,
  "required": [ "id", "attributes" ],
  "properties": {
    "type": {
      "type": "string",
      "constant": "plan"
    },
    "id": {
      "type": "string"
    },
    "attributes": {
      "type": "object",
      "properties": {

      }
    }
  }
}