Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFA8D/FCawxnwx4Yrj+zkWijQBbt+A+/uO5a+/l+KxoSjqMUXhZg9cGULSv… (844 chars)"
  }
}