Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBK6QKkH3+mFfzfHkReHkmsTUMAcL9AM7+7RtpBptdLFVCedAfVg4bR9oqX… (1,748 chars)"
  }
}