Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBN5KebUPRzLmk/IR2M7+C8vdOStkWikIHVhEs8/n3P/SzkrGvP5X0+sCV/… (1,748 chars)"
  }
}