Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHnfKqorKfS+RD8dVOOKwG3ZCKrG1T3jEfENChCUEanXUI5kcOT/QXb8YLj… (844 chars)"
  }
}