Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBYU9dyX6s8gM2aYiV1BksY2VHQRNbCAiL8neCD1D+Mrm246U1hvQ3ZA4OJ… (1,748 chars)"
  }
}