Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHRg7/8QiEzw8jmhih2y1ceo5ZuUZ/lYUqsK3/lMsEZ/wzrPEI78jmu6rO4… (1,748 chars)"
  }
}