Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHcrgpN6jEEbPM7HH1BXzT7tvZ5K3Pi9A4r2b1r7ooLGgm10RWgSDTGNKnV… (844 chars)"
  }
}