Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCxp85SiL+frpR+elwgDC9aEt/N9Fk/yTYkBc+A7MogfwR4UQxfzDH7M9oZ… (1,748 chars)"
  }
}