Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFiVL/oNWQvqJ7EAIVf6m2AyBj5Y8jzQ0gYojVeWrk5Hz5FZYNAQWM/ZNL8… (844 chars)"
  }
}