Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQF3UyidS3f4uTP9oP3flh47uXjCzrsRarLByXxPokL7yXlTSLt9PwKvxPT/… (1,748 chars)"
  }
}