Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEMeS/JSJGuhxbd7lCITccg9VmZ/iDVVSmtjEgz1nfHpDgvYyvrexHpf7cm… (1,748 chars)"
  }
}