Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGu0nQKv3WpZZiCgf1tCg92MXt+nPxsRB5ej3afgBGUXkE6phQiJW4wDmud… (844 chars)"
  }
}