Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDdWq9ePvIRLzWtLRzwt92HXTFpAPa5JOx+C/iQqrBbjh4P2iLpCMFf6oHa… (1,748 chars)"
  }
}