Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQD/8XTdCmk3Q53TgYV9QfYLWC0R5IGlVE92Ry8d1QJoVFz+te6bmeqiwijH… (1,748 chars)"
  }
}