Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBu4OQeU+QZiKOy8/kaxdAAB7UNdNTzuYmMRxynQMUXkElE3dYFmXG2oz58… (1,748 chars)"
  }
}