{
  "manageEntity": {
    "action": "Create",
    "entityId": "629592735",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":629592735,\"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": "0x6071956ac155554271a60073f716b20c00cb837a392fcf5af7b0707100dcbea1",
    "signature": "0xca19d50433533af04fc5e681dc7e9b9e882fe1c64988e4cfe88d62b6b4e2be9b1af876125490651da507730c55f519c81002496973ef5289bd33c217f2951bb41c",
    "signer": "0x6F819108589ecE3670C60db82Eea0c66C3038B8E",
    "userId": "532924430"
  }
}