Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBchh6Sd8YlTxrBhGqDkrU/iIaHEYZZF+Gj4W1vXkerGFgKLbGw7Pe+c0Oe… (844 chars)"
  }
}