Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDxNgN8bK/9PGqFKXmMnAOWHRMeO4kqXIzQst8fvdGmRyN7pYnJdWHrY9Q4… (844 chars)"
  }
}