Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwL1eeXUwEYZZJ3LyuTi56e5WzxNsSlCvdlFnOWI2+tc2S7cfN4OZt6dvcYj… (844 chars)"
  }
}