{
  "manageEntity": {
    "action": "Create",
    "entityId": "467825678",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":467825678,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x7b0ef7f4f57d9955a8cf34c9cb4d590085fb62f22ed91899c471196d794eff88",
    "signature": "0x21a9ccca971b32cf64327fa34f07f5d7b205ec444c5c66e14a538e6d81f45dbb37883b796c347fee6c8ddfdace003b22f1e9d585f153d4de139f21e1db71a6d61c",
    "signer": "0x349076f7f4d2b28A87F0e9F5884E75d25d0C46e8",
    "userId": "159054652"
  }
}