Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBaH7BPhqu6Mxfq3z/OXwn6E/vt/GBYNnJK1Z1WBZtC60noomZDoTCMcFvr… (1,748 chars)"
  }
}