Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQFRo9izZuuZvIJokJL/JLWffqg2v7nmxcq9y1C4B89JMVK9G754B++2zDyi… (1,748 chars)"
  }
}