Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD9wZ6dXkKDZ3VAzFMLHsanD/W2EJbOxIE9NDORDcb6kl9uNd1UXCJJVvyg… (844 chars)"
  }
}