Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA3bTqyFmOd/BQuGqG0GbARwDiMy14C/Z6LlcSAM2G8Pwsnb/6DfMgzg4j8… (1,748 chars)"
  }
}