Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHTcNC6Ja9aR8MP94eeeGtZBk6jiD8Xv/Y3lmQFWNjW2Ds7gYJZ5rVoOl/J… (844 chars)"
  }
}