Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAJFnfJE3hgE7hBJ6uuWBj2hr4D1Eag32wfs70JohFVUwbMXo0M+NPW06hl… (1,748 chars)"
  }
}