{
  "manageEntity": {
    "action": "Create",
    "entityId": "1987989462",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1987989462,\"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": "0xae5407972d5975c4fe58386be3bf0bf8186534b9afb370167283513b24d6df4d",
    "signature": "0x40cb10d168b14185f35d260bc877513e37232fbfa68b330b7148b660059cf73b681407826449d7ba8c1548e35629ec9dc439167fa39ed8d7eb9288ee18ce43631b",
    "signer": "0x71af3712632ecD96749f4BF3f6a954423be30504",
    "userId": "728607377"
  }
}