Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFIPRj5fMRZ38gISue7L6onxfVDPbWaz/QBr+PHQj7s9kKb+RrKmfK/B8Mf… (1,748 chars)"
  }
}