Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCYi4NwRUmKKPP+fN//4wTCNHx96Xj2aIUitWOIrEsQFC+gYNwUWw0wFM+P… (1,748 chars)"
  }
}