Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFk0r7ET/Zr9WwNg/7S+xi6CjTn/zkYReUHhC3kFiEwv1QlbJVR+u3WBzpw… (1,748 chars)"
  }
}