Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEVm4wl/84/dOjCvhXhMzwN5heMBxUAIQKsMXKGTwm4bCR7oaJugi6r4h4B… (844 chars)"
  }
}