Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCW2ob8un5W0V885WaDVZ73+HxlOsMI+VuMYLr5tGGe9zE8VVVDDhD4ghe2… (1,748 chars)"
  }
}