Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCmwyZqxlQPN46z4rlg5byPIOYmL3Wa8M/hpykU9wqV9msPB5i1Wue4stiQ… (1,748 chars)"
  }
}