Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBYIAkhB2id+N1zRjAs7OhOkyeDi5xnTKYc1fLhEFpNHW9NJEt/xTd9AUf4… (844 chars)"
  }
}