Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC4XmwSmGqahfkpwCiMgpYAVttHDwdL+BSqF5i8Ba2MI1rQEVuWVxhAARc+… (1,748 chars)"
  }
}