Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDVsuN3HwLjzWvHu5OmY6pjWVdL+Y4B5HSl9zhfcJeRQ0SpwtCajrh0Wpfb… (1,748 chars)"
  }
}