{
  "manageEntity": {
    "action": "Update",
    "entityId": "1407177838",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"https://youtu.be/5I8ZolBPUMw?si=1VE-umYbKaxCOxfx\",\"playlist_name\":\"New Playlist\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqsed5miftlnvpmexcvwijn4uqbrm32ommme6etarap7e24ilcxsuxpc\",\"release_date\":\"2026-04-27T13:52:47.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1777299437,\"track_id\":1755131005}]}}",
    "nonce": "0x8649aa6f9943e4ce847e71b08005249255f56f3c53d6d28b4e6e6b932011625c",
    "signature": "0x784aa26c931df795bad42ac15c03bb1871dc7b94985812314b90c54bfb6ba88148af082718e9b69d909465066c1c6c39a3bb341041296f6d20780ef248561f2e1b",
    "signer": "0xEC9099Ebf4e6B90938db6daD3c92A75e6D1a9aE8",
    "userId": "548806327"
  }
}