Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBCQxrDspqWp7v3NXPXzjrYEUUEj9bYrmcb7AUGHTQPSgKQqieY3O+Zh5vJ… (844 chars)"
  }
}