Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCEu3g5YyMOjgXqPdAh+6fFhSo2N0851TMmOMOET5p1HwvHPl+TaCnFINdF… (1,748 chars)"
  }
}