Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGuSUVCoChzIsSNrNPxz+jT0y9MxpV/3ghaW4GQnUyZQhJLABmEtboo5Y9K… (1,748 chars)"
  }
}