{
  "manageEntity": {
    "action": "Update",
    "entityId": "1155147692",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"Drum and Bass nonstop. Fast drums, deep bass, full energy.\\nOnly bangers, no skip‑tracks.\",\"playlist_name\":\"Drum and Bass \",\"is_private\":true,\"playlist_image_sizes_multihash\":\"\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x3e511c0b672e5ba2dfd4afb618523b028e46442858469cd5b5af4c79d6f3f87d",
    "signature": "0x3e8e23de2816db413188d3e79d006793a50921d080fd8d8a425178c24d62999e72a73434efb7d523ab516d68304e3ace9ee84a08adf54a63a3b6a678a3393db61b",
    "signer": "0xbce6c26df7b28C8EfE8895A0cB112b2faDe54dfF",
    "userId": "387660134"
  }
}