{
  "title": "Refresh Status",
  "description": "Tracks which ranking models have started/ended",
  "type": "object",
  "properties": {
    "key": {
      "type": "string",
      "description": "Key of the ranking model being refreshed"
    },
    "status": {
      "type": "string",
      "description": "Status of the refresh e.g. STARTED / ENDED"
    }
  }
}