Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAitrXT29J7joIEGCnTUHe5Eh0v9Eb7vVWN7j7zP7j+zW7LTIau8wnHW9M2… (844 chars)"
  }
}