Get TCF stack selections for region

{
  "regionId": "string",
  "selectedStacks": [
    0
  ],
  "metadata": {
    "lastUpdated": "2019-08-24T14:15:22Z",
    "version": 0
  }
}

{
  "statusCode": 404,
  "error": "Not Found",
  "message": "string"
}

{
  "statusCode": 404,
  "error": "Not Found",
  "message": "Forbidden"
}

{
  "statusCode": 403,
  "error": "Forbidden",
  "message": "Forbidden"
}

{
  "statusCode": 404,
  "error": "Not Found",
  "message": "Not Found"
}

{
  "statusCode": 422,
  "error": "Unprocessable Entity",
  "message": "string"
}

{
  "statusCode": 500,
  "error": "Internal Server Error",
  "message": "Internal Server Error"
}