Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFMgkJN9CvtUJ+Do8c+oKLjw2sB/Pem82kiz8StUvFA1kZFeMofICwA6H5K… (1,748 chars)"
  }
}