Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCCTrqE2Ukx55SMjc+n2LOm5fzN7n805YuBgssLCDe+TQaGtrD8w3y1ZnQ8… (1,748 chars)"
  }
}