Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE+Tzi62qf7xM/lXh2IIYe2jfOaobDO88zyc9b/TtFoL3mGrbwNip+9dqBj… (844 chars)"
  }
}