Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAlrUTtB4TVQq97COJSJ+UXjL0eJlP9tnDZzs3J9O0C4Si9TXYNT/JhM8a9… (844 chars)"
  }
}