Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF8yflvKLH7WFRpUaU7/1cuICsWEsZCHVhJMGz4DlKH8HWAFbQfiAF0ZwbV… (844 chars)"
  }
}