Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD7NKvhF9kJSt8AZ8x4NSZw1nN2sdrKfCvGkYLEr9h5GGhP9bBqFg9+FIXp… (844 chars)"
  }
}