Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEw1My1S5L9KpzBaG3vYSO5QhBnEXwKVn++9JDA+8zwRWkNzLq8zrmQF3zV… (844 chars)"
  }
}