{
  "manageEntity": {
    "action": "Update",
    "entityId": "1294304615",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqseagwazzb2pjij6nextpng3eclo2qryrvxrmfpqbzxygjvqayegmhs\",\"release_date\":\"2026-04-30T09:32:06.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1777541525,\"metadata_timestamp\":0,\"track_id\":438895}]}}",
    "nonce": "0xe9a9556985190dac4a9ff1b9695a91ffb71ec21d9f8736ca09c0d43beed8b464",
    "signature": "0xafadcf2f0a62f7374efb068100c0aa9af86dbbecee6916030dfc61cb57a8262714d1dc28e214571082f6b3ae34233d2d20fc7f1cdb54091b28e791d6db55fba81b",
    "signer": "0xff56e94800bDdD3478A34765243D06F0240D7BEf",
    "userId": "128375910"
  }
}