Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwC0MbVaVJVGtYrMwikw6EPa2n/r3JEeieFjM7mzGNVNQWoCzN5Lg+A3pPjh… (844 chars)"
  }
}