{
  "manageEntity": {
    "action": "Update",
    "entityId": "1105679833",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"\",\"release_date\":\"2026-07-16T15:36:19.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0xde8d53524c76ec78a6dd8a0505dd9a6986080fc1b0a7c13245e3be6824be51fd",
    "signature": "0x18a7d74e75defe5c5021fdc67d5644430fd58b1b7ac8641343d3885ce36fb68817b68669e8774e004fcf9619a2921e332eaa7341cb8339cda31677162dcfabaf1c",
    "signer": "0x776FC9416d3338b25E1cbC297e10B7d871211673",
    "userId": "294359809"
  }
}