Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHQkvtmYQCxRum1G6c4Ev+1+Sh3qDgVJ0WTbK6c6Yro5jUsEl+p8JRGlY/V… (844 chars)"
  }
}