Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDwwGK4fIl1UIJ1w6L57JGGHCdtVC7i8xZk5zY6P7DImUYf6t4/Fbi2cvq6… (1,748 chars)"
  }
}