{
  "manageEntity": {
    "action": "Create",
    "entityId": "1417449336",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1417449336,\"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": "0xae1fca0509bc73dad6e60029642a104d3daa485a8035f8d52d5f2c82cc175189",
    "signature": "0xb5f69004c04087b1efb9be1b23b1d405eb8f53ff4ea60911398b7f733ff4daf169bbb68321d3d2fbfbb7461ec1a34bc1ab1cad1843164dd399dfc25257daedf41c",
    "signer": "0x229a981Eae98657c17Cc2a4827328E1877eA40C0",
    "userId": "281682"
  }
}