Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBBjZqrtWe+6qAAGkoqV0tF5s+/R56gixH+MsNB0jY7Pgf0jFmXDTlhmlPO… (1,748 chars)"
  }
}