{
  "manageEntity": {
    "action": "Update",
    "entityId": "1717984720",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"\",\"release_date\":\"2026-07-17T12:35:37.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x4553aae54c229f93edb94eb0044163174cec7ab500bb4a27664fcc847b5c023e",
    "signature": "0x2ec8403c11f305edd5122b416cc623db4eb890ab064460d4f2bc6af32d3512ef1ab1d1f55aae50f85168debbb90352cb4a567ce9beb709dc4939741002c4309f1b",
    "signer": "0x94B05A2869F149434E13502d49Ff9B355A3C376a",
    "userId": "416710614"
  }
}