Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHTiKt6+eUIGy8iLr2D7JSDGxHxqbKwxPGdFmL9H4BZnma7Q4PipKTYRBuT… (844 chars)"
  }
}