Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCPNZmINeTUGD+Q/WiDkGuFBjh324HiSL7nEGnoEtQ1ZXq807LfVyZ8TjGh… (1,748 chars)"
  }
}