{
  "manageEntity": {
    "action": "Update",
    "entityId": "268087148",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\" Cool\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsec75e5vyslaorboefpaxhzz7wnuvdoqd5afnnewkot3ivvo2zuark\",\"release_date\":\"2026-05-17T05:32:44.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1778995960,\"metadata_timestamp\":1778995960,\"track_id\":805393455},{\"timestamp\":1779039874,\"metadata_timestamp\":1779039874,\"track_id\":2002245378},{\"timestamp\":0,\"metadata_timestamp\":1779042319,\"track_id\":1975508428}]}}",
    "nonce": "0xb31a1f51ef3d882365309cac7235ddb1810bfe6827712977f2fc7cc2486caac1",
    "signature": "0x3cb67ea6b25c2c4c3da1ee24118ff665bea5544a712cb4ddb03a4f45f97470ab0f5dd3a21cdbc0d63cbbcd7d95e757afe93fbae81b52cbb6f1b9b8432b3d61ce1c",
    "signer": "0x377753f239c3CDEC9a736109F4343E977D8f011B",
    "userId": "370421443"
  }
}