Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGKc0wXhmR4rdUJfY9ToNePz6qy5mjLq/5W2XzRJnIvHyKZ3Xt1L4/6bLz5… (844 chars)"
  }
}