{
  "manageEntity": {
    "action": "Create",
    "entityId": "225213230",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":225213230,\"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": "0x4e7636eddfce5780ba2be5e3923b38f6a9c7889ae3cc595e95d7b8944de6acf5",
    "signature": "0x830645bf8183d74d7d26cf61f56932f2e2ab7d90130cb35cb212020401f55738536286948aa8b4bb60eddde1d5f4e5a46d81a3430581dd09d43102050fc5e1951b",
    "signer": "0x1F40d6774264ee06e8e4c0FBC2220de42404015E",
    "userId": "873620060"
  }
}