Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHLfT2m2m6e89wq3u/Wa72TkfsFMvKYpKv/sBNTjW/c0HbB7I5fzAExE2rh… (844 chars)"
  }
}