Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQApBW/v5i4Rq4WvcG2OS4f09wtdEPpq4xPzCbB1dKN+OHd9lZbagvepUzaJ… (1,748 chars)"
  }
}