{
  "manageEntity": {
    "action": "Create",
    "entityId": "221620876",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":221620876,\"description\":\"\",\"playlist_name\":\"أخي أبلغ هنا الأصحاب\",\"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\":1786796367,\"metadata_timestamp\":1786796367,\"track_id\":891270512}]}}",
    "nonce": "0x8bb39b683f69eb6b6145ecb75fcdcef7fe3c62ab16b8f1cfbda8fe05593d598c",
    "signature": "0xca10efc79390a129a2a0d04236941cf890c45255c48f72d234b6d6811b140d4132088b65964166a50d95ae70cf900fa453b4369eaa2c804eb51a68c4dee250a71c",
    "signer": "0x9D64Ba2db13FDb1E3e4227F3711d00551046221F",
    "userId": "775914958"
  }
}