Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEVcZeL+xQRr/mlYHZFRpvVYRXGlH+7C0KGIioYhE/BP2zziIE3bquaD8JO… (844 chars)"
  }
}