Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCYKqEVWqL2ZlbAWd0rttGsvk4/ZxA7j9IBMDHnZ5x5clqJmyFWl9I4p2zM… (844 chars)"
  }
}