Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHJXmgCz5xNXcmFAqOVAyB1pDebCOgFehi/o7kFUyikAEKMM3YVB7D9hkIb… (844 chars)"
  }
}