Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHSGRnZW+tWNNCaQDDJiT6nsLryJJN1YVp+4WwbZKFZpnwpPZIigm4vEZ2x… (1,748 chars)"
  }
}