Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCMlYrP5GaWO/qNEkHnN3u3jBfQHSAZtaW7jqf1y8uUqXFv3bVuvr4ftiHx… (844 chars)"
  }
}