Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQABgKkIfGRMriNzAn2r84P0yiHYRsnKxQFKww1eaivFXmtmc2dW6nfOfQ44… (1,748 chars)"
  }
}