{
  "manageEntity": {
    "action": "Update",
    "entityId": "703802051",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsec6bix57l4xn3skbpwd2ol4fk6m6h375edno73zrgpepirkixjavo\",\"release_date\":\"2025-05-21T17:19:10.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1775848415,\"track_id\":6794}]}}",
    "nonce": "0x8a75d08f81416db3f358b85ce264e67c4465cf47ff9b314cbea0073f7e157105",
    "signature": "0x9c9c0568cad4c39eb0bf535bfe5a295a2cba300d45455c0d7ea93380eafcee3267b8dcf185b9f4f46f654a764b81a6ab26fdbe479b75471e1e95569b05a7032a1b",
    "signer": "0x6687B667182cfdc5646f5AEB14a9945c9b1d3A6B",
    "userId": "100"
  }
}