Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAL5jlpYHLKDtnqMm0GTPzXJ0fLTeBuRmJuuqXmnKSePjtJhLmCJ872JkiE… (1,748 chars)"
  }
}