Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAS0qf0Vav4bhNer950kD8sB+mM0rhNzVz3ZyopNv+dvlAeM0Z4cAjFBU9H… (1,748 chars)"
  }
}