Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHrvp6TdBeDZRb8COvIfpzeBE/b3e31jKRSH/RDzJ2dMznNuUcCVu1b1nGX… (1,748 chars)"
  }
}