Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC+XwrwdTJ4TwyoUri8uVLls5VoCKr8/Vbe0yoZ/L3QDnwHU6Poq3HG3ZMk… (844 chars)"
  }
}