{
  "manageEntity": {
    "action": "Update",
    "entityId": "1375319458",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"ДС\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsebdr6jwdysf4hfkvyo6lw3arxfo5qpwvqn5z72wi3leozsxe4ssxc\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x01ab33273ce2bd9e52bd1c967ae0740224ac83b5002d52388bde59b3ff0dc8d5",
    "signature": "0xfc6ca5adeea8b85f17070943e5fd370d184b80e965a5db4b0bdf6349968a39fe60e4025109af9b9c431981c9636c431409b801a1f0757c5b7923ebf197922a951c",
    "signer": "0xD9073C6Ed9E30D9983cEE4538136332838B2c185",
    "userId": "10665470"
  }
}