Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB7xLNN5C6yc6EknL8/z5a9O6KVWuSOyqRqbMdRadOpQUbQY2dhGOnxoWkQ… (1,748 chars)"
  }
}