Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHhZGImU4ee0vJ2Rf/6LUeYnyMKsGUCc8h6PuZE5qwbkXSl7y8eUSw6P1GB… (844 chars)"
  }
}