{
  "$schema": "http://json-schema.org/draft-03/schema",
  "additionalProperties": false,
  "required": true,
  "type": "object",
  "properties": {
    "sales_goals": {
      "required": true,
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "notes": {
          "required": false,
          "type": ["string", "null"]
        },
        "hmv_notes": {
          "type": ["string", "null"],
          "required": false
        }
      }
    }
  }
}