Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwJpqohv+HFGwruGkxs+tG8XE6sY1VXZVqX0MXt+NA37iEcg8UG6Gh37hq3w… (844 chars)"
  }
}