Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQGIS1DJ/gPbRAfYZWQmK4zsT7nOhHI9eKXdUK7Dtg6GSBI7fE8XaoEpZF9G… (1,748 chars)"
  }
}