Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDj3Yixqkr8H+9Tm9JhjObtVmZUY+4CDNVZLApGhNvC7ygZFChw0dHXLF/2… (844 chars)"
  }
}