Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDwH8J/zKTOeIC/+uMkQsI+/3OIgsvfL+wPuDV5V3IW9EFpz3rQrnNGSwnK… (844 chars)"
  }
}