{
  "manageEntity": {
    "action": "Create",
    "entityId": "1192885099",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1192885099,\"description\":\"\",\"playlist_name\":\"Donomichi [Original Ver.]\",\"is_private\":true,\"is_album\":true,\"license\":\"\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"parental_warning_type\":null,\"playlist_contents\":[{\"timestamp\":1784340299,\"metadata_timestamp\":1784340299,\"track_id\":1656903587}],\"is_stream_gated\":false,\"stream_conditions\":null,\"is_scheduled_release\":false}}",
    "nonce": "0xf64ea18cfedb17c181398bc48ffce22fc247dfca8089d46d8a1c27f8b8c6add7",
    "signature": "0x324de3a85ccdff7b46ac084ef3485f2170c4d6212dad543e21422fb513bb721d04526ada04dd76bc5ccb83b8c7e3c0a7610f616c42e41b9b1008a405513ae4231c",
    "signer": "0xb332052fAaB9356cc95df81bB7214fE9C837197D",
    "userId": "645373542"
  }
}