Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB9xyOpCwtw5MR5Z8AMEoxmrwqPHvOBeJAXDZQzrUB+OXTi//tMOMYYtke2… (1,748 chars)"
  }
}