Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQE/c3d4xuYIXyVn3b6S59sos1Ja9QDL575+9uVEoGEn6WZ4N898EY4wBEAF… (1,748 chars)"
  }
}