Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF3zQi8OzBScpPs4Mg5QkBuW99B2WnS9bUQJGOoR/MUrEbJpE2acxQHzKv8… (844 chars)"
  }
}