{
  "manageEntity": {
    "action": "Create",
    "entityId": "329385357",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":329385357,\"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": "0xc80443ed26c506078530b5ce883365aa158f4f162e7d1fd109c9b4d2487c5f2c",
    "signature": "0xa12459a0bc6b4ef84e783066c93cc10ea117736e84a521a52add92b22ce1af383cbf0ea561a7afa060d8bf1760d1e06f4b208845701c789d5a18ca8afd8cf9421b",
    "signer": "0x6CDDC7B674Dd0fbE8fB2850B79b97aA2A37Aa071",
    "userId": "218692613"
  }
}