Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFt/7jW4M0h3JuoZrCiD9YJLqw9t3gPMPu3uqI1lrXUaUtAUAQpccs74bk1… (844 chars)"
  }
}