Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF6w/vK6qT4+ZTQXo9qighFVAESOowB3k8d3QqQAEnKmkJ6M8+M7hKB3H3x… (844 chars)"
  }
}