Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGvZT9jzLF9W1VtJoQG8VvhB3SBJXU639ZBA+RhO3lqaVvvR726xtGYfAm4… (844 chars)"
  }
}