{
  "manageEntity": {
    "action": "Update",
    "entityId": "2335197",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"\",\"release_date\":\"2026-07-14T14:32:59.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x78e0dc69a22b543b9812b6bb1dfe7556292dcb481f0bb7f71fbf6b826192995d",
    "signature": "0xa34b25654aa3086d368cc5eedd42c568b886bb0681c3b7cbdb24a87764b3441a39676086cf6e67a0ff16d039784fadfdb924f707122521806db9dabfa26c4ca01b",
    "signer": "0xaB9c9D866876B7d33f01b1363339Ce0Dd23c623A",
    "userId": "545607016"
  }
}