{
  "manageEntity": {
    "action": "Create",
    "entityId": "354826732",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":354826732,\"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": "0x4b73588e4c037fadae75d18ab37efd41456823acc6e52c5861df72014dba12a2",
    "signature": "0xd244d2f50e9bcf8fbae8df333443c3db4f6cdb83b494a45b9180c95851c866d17a204e2ae581cc9f9fe4473d3f917b792d1284747c76c33916b536e0109953741b",
    "signer": "0x705C3Be1F27A9694A390A0a58287440a6b43349E",
    "userId": "193978537"
  }
}