Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAL0XhraHn0GV1Y8/IDtAXzQ+KJ571TH8bVxCXSlCWrYD4aYcE/k9wb6SX9… (1,748 chars)"
  }
}