{
  "manageEntity": {
    "action": "Update",
    "entityId": "1848865342",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsedkezetdjneizvfgcntmp3vwwzjtap4op2kfk6wml4ff4p754f5w2\",\"release_date\":\"2026-05-05T15:57:35.000Z\",\"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\":1777996681,\"track_id\":1084198738},{\"timestamp\":0,\"metadata_timestamp\":1777996681,\"track_id\":685733863}]}}",
    "nonce": "0x4ca408a70e98682e15dc6fd7f8aa12784f0ebf10b3273d3cf5e733b11c23a9a5",
    "signature": "0xd7923cee3c28de1b932cbe9afdb5aec1b1cf70b306f4552240e5929eefcb80916c058a30e68172d06e5b9e6a105c09bbcc714a23e6ac5687b64989fad7bd8c3b1b",
    "signer": "0xfb70543D59F8614d11B4D2922bdb1b80Eec0a0dc",
    "userId": "133478614"
  }
}