Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCej+KyH1ckLpYlK/zbEvQ7L1jZWT3WwEmFQIQWAyJL2CTgbH5X2ZZUAoWD… (1,748 chars)"
  }
}