Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCxD7DZuFp43PAWhP+NFVirD7j6Hmufe2cVYYNOFi+LNxLyfH3qm1p7CkcC… (1,748 chars)"
  }
}