Grok parse issue parsing previously parsed string

Elastic Stack Logstash
3 
{
           "offset" => 80223,
       "prospector" => {
        "type" => "log"
    },
              "doc" => {
              "Time" => "2018-03-03T10:38:06.2677861+00:00",
             "Level" => "Info",
              "User" => "TaGer1",
            "Method" => "Utilities.DefaultLogs.CommandUsageLog::Info",
         "AppDomain" => "DefaultDomain [1]",
           "Message" => [
            [0] "3D3D3D3D-3D3D-3D3D-3D3D-3D3D3D3D3D3D",
            [1] "CloseND",
            [2] "Session GUID: f0817cea-63ee-4d6d-a7fa-ab47404b91aa",
            [3] "Time (ms):",
            [4] "135625",
            [5] "Case:",
            [6] "7515ebae-5918-4e9a-b59c-5c246028a0e9"
        ],
            "Thread" => "[1]",
              "Host" => "DESKTOP-S3T0CB1",
        "Categories" => "client.performance.commands, common.assembly.utilities"
    },
    "filetimestamp" => "19.3.3.3465.20180303.0",
             "host" => "LKP-C-SI-SET-1",
       "@timestamp" => 2018-05-02T11:47:29.200Z,
           "source" => "C:\\Users\\si-set\\Desktop\\CommandUsage\\Commandusage.w3wp.default.19.3.3.3465.20180303.0.slf",
            "Bloat" => "3D3D3D3D-3D3D-3D3D-3D3D-3D3D3D3D3D3D\tCloseND\tSession GUID: f0817cea-63ee-4d6d-a7fa-ab47404b91aa\tTime (ms):\t135625",
             "path" => "C:\\Users\\si-set\\Desktop\\CommandUsage",
          "logtype" => "Commandusage",
         "@version" => "1",
             "beat" => {
            "name" => "LKP-C-SI-SET-1",
         "version" => "6.2.2",
        "hostname" => "LKP-C-SI-SET-1"
    },
             "Case" => "7515ebae-5918-4e9a-b59c-5c246028a0e9",
        "CommandID" => "CloseND",
             "tags" => [
        [0] "beats_input_codec_plain_applied",
        [1] "_grokparsefailure"
    ]
}

If the CommandID is CloseND we want to grokparse the Time (ms): from Bloat, preferably as a number and not a string if it doesn't have a significant impact on performance.