Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQABh3lFTuSIabxY6IghZV6/Nfq/C/vMf4TxHIgikOtviGl/Rd3f6U37nzDB… (1,748 chars)"
  }
}