Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQE/Yd2Xwb4k9x0E1N96QhQaRw5+9c02ZWhCuVMnvksulma0w+f2XPYnZLF7… (1,748 chars)"
  }
}