Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCXWpw5SAFz25eLcHrHQr2JEItmuj8Y4Wb9pOXwtzgv2GK3eDX8qOf9jAtz… (1,748 chars)"
  }
}