Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDxnDUG+vTFgTOyZ0bBj7A9JYlUN2wMLFDpDWWj+7JH925AnPTe54HsdLjM… (1,748 chars)"
  }
}