{
  "manageEntity": {
    "action": "Update",
    "entityId": "2118801567",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsedxb246gpfzfae3ne5hjyekfk7a2kg7lbdcbffpb36h7xs5mq24k4\",\"release_date\":\"2026-05-12T19:19:44.000Z\",\"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\":1780666055,\"track_id\":459331916},{\"timestamp\":0,\"metadata_timestamp\":1780666057,\"track_id\":682692864}]}}",
    "nonce": "0x9051048997e33870e2be110e2188885e3f1a15416a429f26f871a630b1a164dd",
    "signature": "0x8b9b3f466c9b20a921c0fa292edb56db4111f1e5096dd11a7caf4e0fb4b954c253a022ab8ecdbfe2a4acae57fc7dee702852977fbac05c1b49656d47a05bb37e1b",
    "signer": "0xc57645346D4df520211Ded3E5Dd676C1E3a8746C",
    "userId": "546166252"
  }
}