Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGC4ZP1ftzYCpxzNCPgnY56KKkUz8tZd5OHiVrfIsjK8Qvz3bYWU0tLd5lX… (844 chars)"
  }
}