Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAEZETMbC8MZo5MVwnoGxuoGUdJ5+9fD3wXLw0CtrRNVA2aChG9fvTYzjp9… (1,748 chars)"
  }
}