Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB5ioiwa57lZJ94LUEJKM393TnbyYmKpYNbWaKFpHHCkXCt1GG+HCe8J2U4… (1,748 chars)"
  }
}