Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCXp8cmEUeKvY+Kh5mo2rVBPrrrxBzpLEvzD/tQ58X9pEoYNZl3r4qQRHkA… (1,748 chars)"
  }
}