Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCxdy1ww9weyMOzwLUdKjk5ITd1Rh/9o3G66ZdRcg78+Qo6/3xFxq09Ppwh… (1,748 chars)"
  }
}