Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC9rPsYT+Qb9WLd7UwOWKz/gGIHxiZTMYl99q5/sVckPm+EMDzorqE80R/5… (844 chars)"
  }
}