Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH4pG5hBD0Gd/lxGDgHbEZwvnQ52ptsYhwW/Yt5Phi/WmUenP3RkuVnJMXy… (844 chars)"
  }
}