Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF46Hdj2zSwEUTO3VvM/brKfXk7Zt4iIvZBaZjIvoQXvX9RvCQ9X+qTFJkM… (844 chars)"
  }
}