Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBMi7kyxR9pI0biVf9zpmVx8WTg7Zjj7jJkr8aUJyIGORsYcw2Pyyts1rg9… (844 chars)"
  }
}