Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQF7Emn+DJGWppJO8xKTsMqLW5Jq5yUBZ8RilasrgIW4cwA5aZvWUNc3LtPO… (1,748 chars)"
  }
}