Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDnKMrxeV8xCDn4i9+YNAOXCxj/6KqfjZU+Gbt/5xqzySjTSJWLqGr4uZAh… (844 chars)"
  }
}