{
  "manageEntity": {
    "action": "Update",
    "entityId": "450191875",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"JAZZ Piano Bar\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"QmPWPJM5Lo9jRUQgJoByQqoJZL5E3HFEaVAc2ifb15V6V8\",\"release_date\":\"2024-07-30T22:43:21.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1722379243,\"metadata_timestamp\":1722379243,\"track_id\":553430}]}}",
    "nonce": "0x564fcf4397e9512003a87693b935729ee19901d66fec91dadd85a1a3677de1ba",
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}