{
  "manageEntity": {
    "action": "Create",
    "entityId": "2020621614",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":2020621614,\"description\":\"\",\"playlist_name\":\"New playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0xc22c2e17e31fa17b17750925df8f569512ed563c9162dd618113b449b3a0aed6",
    "signature": "0x57ad202a9fc74170467607ad369707858be3449d807b9406b55f825da21ca2f336e91d7c9d860519a9e86c5cde3168b214a84dc746f0dbf227c68e9fd5a57d671b",
    "signer": "0xCb7Aa833f2E005981510243B801a59e2845966ec",
    "userId": "129166385"
  }
}