{
  "manageEntity": {
    "action": "Create",
    "entityId": "1417114671",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1417114671,\"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": "0x9b9aa829c58269fff73e2d5a8f143527bba3dc5a28b13d340f932f9c67cd131f",
    "signature": "0xb45ede263ca633f83118ab41174e7d79134c6d641a71cddd9e44a45abf1165d5127b12fcef628d1534fe4973f9096ec0133490a650e51f23d0ad93411508e7a91b",
    "signer": "0xBc819B7444752c1F4EFE89a795c656F647aadb49",
    "userId": "627826860"
  }
}