Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAVaeLGqC3hhaCN5k9lETqxywBCqKIkydOd4zqHzsPBVhAMXQNA6Z9rIJO/… (1,748 chars)"
  }
}