Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBR5VnukY9jH4p0kVS81+DURv6rSQ7+AUQ8eLfwC9V7WEUxoUFa1N15nBjZ… (1,748 chars)"
  }
}