Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCzisPt6Yq92dqq+3MA/lgcpGP0dOBkzT6f/9P4lNNYpW7pqwvxhDUwzBFe… (1,748 chars)"
  }
}