{
  "manageEntity": {
    "action": "Create",
    "entityId": "1496540719",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1496540719,\"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": "0xb7c494f721267b0a26dcc493508121ff4895af7c1e6be5b46047a8a29c1c664a",
    "signature": "0xfea595f7c7d09952d7a07f29679fe7d5e216fdb5eb24110e8e5ce2c74d3ea39f21bef04106c71eed2fe3e58e4e8f02f84208b6d3fb2e68b96f8dcfdc9f9270941b",
    "signer": "0xe9B6cbf0276Ca97F9eE6D53Cd40E8BaaE2a78232",
    "userId": "64519294"
  }
}