Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGo4KPvAmJ2QyJfhp9SjXmRTFRJiJzKg2KMDT5AQTfphQ5XSUGF/xKR5u4K… (844 chars)"
  }
}