Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHQZ+Q27a+3EMEbkHgrKTnZ1WpXLBFJRX2VbzKzEZCkC1hDMNRZdDjwyUiA… (844 chars)"
  }
}