Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGYxEHT8FGiNMHusSSMIB9uJX2WnuUuGB3BYXsAryFI5i1X8cGR/7hok9D1… (844 chars)"
  }
}