Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCw/C5oRGarnMWG6PWRp+AaASlTL91+k+X7qy+Ss0+pd1s8G/yPszIKYLjn… (1,748 chars)"
  }
}