{
  "manageEntity": {
    "action": "Create",
    "entityId": "375592719",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":375592719,\"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": "0xfa52ec5fc1572e36c17e62f853d43860e225ce145832a4fecf0477462d21bcf5",
    "signature": "0x5e1353a7c86bdcecd42144d5ea4d1bed9e5645748332dafaa616f6d4bbf4973367546c5082b22af4854b9e7cfefc672c3b1788085bbcc130b9e41e37d9a4761e1b",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}