{
  "manageEntity": {
    "action": "Update",
    "entityId": "112841820",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"placeholder\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsebfhxnm6soae2ezppg6h42zn7tz73tj7w4vhvyi7te4cbuq3rejno\",\"release_date\":\"2026-06-04T00:04:08.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1780531439,\"metadata_timestamp\":1780531439,\"track_id\":240044526},{\"timestamp\":1780531439,\"metadata_timestamp\":1780531439,\"track_id\":673783445},{\"timestamp\":1780531439,\"metadata_timestamp\":1780531439,\"track_id\":512107464},{\"timestamp\":1780531439,\"metadata_timestamp\":1780531439,\"track_id\":2143752914}]}}",
    "nonce": "0xa6a07415129bdb887a0a4b4784ea2d9f4962c9c58f265bec52ce909fb884453e",
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    "signer": "0x47bF11DdE03594c25814c08592866D0B09eb566A",
    "userId": "597397433"
  }
}