Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC5E0Z7o+0MNmO/q4ZKSjNbw6StqqzeGCRB1X0tXAAosTY8RKneJ2Kuo4bZ… (1,748 chars)"
  }
}