{
  "manageEntity": {
    "action": "Create",
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    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1836928185,\"description\":\"\",\"playlist_name\":\"ام كلثوم _ الف ليلة و ليلة\",\"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\":[{\"timestamp\":1788122896,\"metadata_timestamp\":1788122896,\"track_id\":714185}]}}",
    "nonce": "0x9ad29e59f1c298db97ab9c9b8d1cfa82239dda59961b331705576fe1167ae80f",
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    "signer": "0xA7d89687eA52926025be75F46A3F9ca9a7664515",
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}