Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB+SPaYzs9Fd5fmZa2sTDW2FYgSUCRLbMubvGjhddyuj0WrYpB83smFQ9kL… (1,748 chars)"
  }
}