Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG5fwKF1mhCRGnm5DmR1uYvlFCQeZ+AjD5v1sRO73VhK24AxRMS4NH1wiPw… (844 chars)"
  }
}