{
  "manageEntity": {
    "action": "Create",
    "entityId": "442302854",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":442302854,\"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": "0x45003030ac8f8871558076d73df6357b476f8bcb552a0bbd705bb314dbc98ead",
    "signature": "0x4832fb47dfc52f1ae05ca15167bc290381195bc982dd664ab27db2abfc11ce3849863ca5eed00fb975a701ce02346f0b5df1900b3b58c8325feb66ca924dfa071c",
    "signer": "0x75ACCD4160aaada206b4dCfA68E88187C9ba9A0b",
    "userId": "799571887"
  }
}