Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAkKZI9L88t3Tnkl/7lq98KoCuAGQ1XldfAKki7Sb+jzWVLHAFYWN+9A79x… (1,748 chars)"
  }
}