Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHW8rM6l5M8/4niaOXLWe6pCBXLWtPWosJrjaSbV+NYEBmBnD2Kz6IF63Pn… (844 chars)"
  }
}