Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHtEBvRFEJ2fwPT/0qIQC5qzNl7AspjCUPHsAaYhCcx+BbOQPnJSTZpkCRA… (844 chars)"
  }
}