{
  "manageEntity": {
    "action": "Create",
    "entityId": "1804351874",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1804351874,\"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": "0x4b717be60fdbd792a86f3f1cae3567463bdbe0602e172db130a41a6c21355946",
    "signature": "0x41e0ffd35da0881acbeb36acf8d9e0ba973a8187b9d65645906a054ae36675922753e8bc0395cfc891bd75903a3d4c41c41e978bc9fb7b4c9de40fa5e0e90f421b",
    "signer": "0xF5Bf60B79701e25bA06ea0277AB8237aA11B3eF9",
    "userId": "651740741"
  }
}