Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHmYu5mIpLTm8FI9R2KiV0CXflHWazHk4ngJT6XGUz+vjtO/jAd/xAWTq8H… (844 chars)"
  }
}