Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQABVj3/NfGnuEo4tyoFX+ZLef8y0mCCbWzd8tx61c4Q13HJva+loN9/yQ20… (1,748 chars)"
  }
}