Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHYat2G4hw8yGc4HZw8fIWmPGCiNuS7ufOZiXubPYGGk3vZ2l7zzMJaJbU2… (844 chars)"
  }
}