Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCFXKjL5pnKTf7VDct4yqFu09F0iBzRn/4S0WdPxSv4RAx+uk7+t/BPt0d3… (1,748 chars)"
  }
}