Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDwEMQ31+fTNRQGGNxA9p9IcJp6UoA4vYGkVCb2ATaYNVa2tdFwuKA7cg4z… (1,748 chars)"
  }
}