Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHklTEVdpFmdKWiO/VywtzVoHE7NJ3Wj/TvSuT8h7s71n+xn0d1l8AZMV4e… (1,748 chars)"
  }
}