{
  "manageEntity": {
    "action": "Update",
    "entityId": "399979551",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Sugargrapes\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqseat4wjqhtnubhxwfcx77zzuz7k7r4p577nzne5cg44f3o7qtc3p3c\",\"release_date\":\"2026-03-15T12:13:18.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1773577645,\"metadata_timestamp\":1773577645,\"track_id\":644557282},{\"timestamp\":1773576798,\"metadata_timestamp\":1773576798,\"track_id\":636647303},{\"timestamp\":1773577638,\"metadata_timestamp\":1773577638,\"track_id\":1041622796},{\"timestamp\":1773912659,\"metadata_timestamp\":1773912659,\"track_id\":482361835},{\"timestamp\":0,\"metadata_timestamp\":1774614111,\"track_id\":1118750773}]}}",
    "nonce": "0x7d286aad46da71088681dd4edd771f61659665263fea02b66c2e7ef49d9ca3e0",
    "signature": "0xd43a113a2f70eb8dbca3011f0021742e3c98b35362329ad22d2ca8a7493b13d43caf54483960ffc45d68fe213cfb10eeb44ea6176ab96902e3b57763a650991e1b",
    "signer": "0x3504A096a184AdFd1ed71f0281661a5d34a1f2A6",
    "userId": "720251199"
  }
}