{
  "$schema": "http://json-schema.org/draft-03/schema",
  "properties": {
    "entity": {
      "type": "string",
      "blank": false,
      "description": "Entity Type.",
      "enum": [ "vendor", "artist", "release", "track", "ex_a_release" ]
    },

    "entity_id": {
      "type": "number",
      "blank": false,
      "description": "Id of the entity."
    }
  }
}