{
  "manageEntity": {
    "action": "Update",
    "entityId": "1881282410",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsedeklyqivou6fe7liedlmonrf3bvqkfb4wxlwcepid2erh2f5dir6\",\"release_date\":\"2026-05-11T18:20:36.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":1778523665,\"metadata_timestamp\":1778523665,\"track_id\":1755952315},{\"timestamp\":1778523677,\"metadata_timestamp\":1778523679,\"track_id\":889991178},{\"timestamp\":0,\"metadata_timestamp\":1778523686,\"track_id\":1065010894}]}}",
    "nonce": "0x7be9c6031a5a7a96220669505d1a80fec27c1e607f87ce20821ffb4cef7f80af",
    "signature": "0xfc2f59cba85a60b1fca3cbf381b850777c860aaf8652b19cf1ceaed4d94ceda567a95c255f625943bf3d50e7967e37d805c1fb3f2197e483f141308704a4db0f1c",
    "signer": "0xC728d461208f32A72c509e176ED6ba54c844099F",
    "userId": "176232909"
  }
}