{
  "manageEntity": {
    "action": "Create",
    "entityId": "2111521472",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":2111521472,\"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": "0xc1fdd22691ff0c03138a19177e62f991d1418f764d5fb3b3e05363701d6f6ca2",
    "signature": "0x212d7f3bc6ae41f68b5d38a1d1174f641c29589cfcf77996831d7fd1ea3ec05b2bd6b5be834823afdd92c475e1b5cd1e47764e456353db6727d7fff4346d2c411c",
    "signer": "0xC5Ee9a72D83C8Dae889645372774B75CB639c662",
    "userId": "672251661"
  }
}