Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAC2A1Z2SGyufDlpfjoZ5fTMRh7kY7yCeL5w48CQUYCGh67Oa80rMCrh6YE… (1,748 chars)"
  }
}