Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEJ39oBLrHATBnd0DnLGkIHhIAK/w3pWzWHfSixfEvfBkc2ZkZmH8Cev2Yz… (844 chars)"
  }
}