Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwANXZDh+k2JJmB5qKMuQH6Jhl7Q4baON1E0dhQpT4MkeWpA/ZrvuV9Tgazf… (844 chars)"
  }
}