Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA9XILuaSGuy8ZYWFwjMt9AKkW78DDZq39COPuSIwN/b3gHE9KJ/nQ45Hcg… (1,748 chars)"
  }
}