Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB2AaX1tTYyvvW5qhPhzaBNAYNPweQzcdrY6/7zWCn/6yqqGD3KGdGQUy8X… (1,748 chars)"
  }
}