{
  "manageEntity": {
    "action": "Update",
    "entityId": "520037825",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"JOAN\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqseco7qsdwjrpnuknylvcyfcfg4tilsgirnkoqe7mdl6wcvt53prkxm\",\"release_date\":\"2026-03-26T00:53:13.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":1774486448,\"metadata_timestamp\":1774486440,\"track_id\":1822619116}]}}",
    "nonce": "0x068d121ea6150a0a2a78517fbd564ec1300c9843b4f9a043cf79526143962fbd",
    "signature": "0x4282ed5dd36be12213db7c97b2af0c367a5927cfc5e96af8aff6e89cea7ffa5464f5ab619359d980da22c2fd8a5cadabcd269a1f9dffb00eea7a687d5b4fba7c1c",
    "signer": "0x506C9A5705a37D14362821675ac64F9B591aF1F0",
    "userId": "872348098"
  }
}