{
  "manageEntity": {
    "action": "Update",
    "entityId": "1989643776",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"[PRIVATE] - Cinematic Piano Collection\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqseaqk52u3v5spdd6bsjxajwn4qas4mnch36hpqix2bxra4plgvaj4o\",\"release_date\":\"2026-09-28T17:24:29.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1790616264,\"metadata_timestamp\":0,\"track_id\":735802818},{\"timestamp\":1790616264,\"metadata_timestamp\":0,\"track_id\":2005807113},{\"timestamp\":1790616264,\"metadata_timestamp\":0,\"track_id\":672836873},{\"timestamp\":1790616264,\"metadata_timestamp\":0,\"track_id\":649673491},{\"timestamp\":1790616264,\"metadata_timestamp\":0,\"track_id\":1566325976},{\"timestamp\":1790616264,\"metadata_timestamp\":0,\"track_id\":783343730},{\"timestamp\":1790616264,\"metadata_timestamp\":0,\"track_id\":65683962},{\"timestamp\":1790616264,\"metadata_timestamp\":0,\"track_id\":1966374632}]}}",
    "nonce": "0x337d8f876dc6a6ff31a96143e73b4af03e2245180b7eb1b279e8840db4bf59e5",
    "signature": "0x13b6742e089410cf4090c23d62cf3de511155ae40662d01de102d5e9a7f3f4c72e005bb18ff14a83eef1218eb395dd239574cc52443a044962022c3a639267341c",
    "signer": "0xdC0ab5c9C32fe7d3cb4600A6d03Ff11c70F4b104",
    "userId": "492343817"
  }
}