There is a character limit, so I had to truncate the Response, but here goes.
Here is the Request:
>     {
>       "size": 0,
>       "query": {
>         "filtered": {
>           "query": {
>             "query_string": {
>               "analyze_wildcard": true,
>               "query": "*"
>             }
>           },
>           "filter": {
>             "bool": {
>               "must": [
>                 {
>                   "range": {
>                     "@timestamp": {
>                       "gte": 1459483200000,
>                       "lte": 1462075199999,
>                       "format": "epoch_millis"
>                     }
>                   }
>                 }
>               ],
>               "must_not": 
>             }
>           }
>         }
>       },
>       "aggs": {
>         "2": {
>           "date_histogram": {
>             "field": "@timestamp",
>             "interval": "12h",
>             "time_zone": "America/New_York",
>             "min_doc_count": 1,
>             "extended_bounds": {
>               "min": 1459483200000,
>               "max": 1462075199999
>             }
>           },
>           "aggs": {
>             "3": {
>               "terms": {
>                 "field": "Member Type",
>                 "size": 16,
>                 "order": {
>                   "_count": "desc"
>                 }
>               }
>             }
>           }
>         }
>       }
>     }
Here is the Response:
{
  "took": 25,
  "timed_out": false,
  "_shards": {
    "total": 5,
    "successful": 5,
    "failed": 0
  },
  "hits": {
    "total": 284958,
    "max_score": 0,
    "hits": []
  },
  "aggregations": {
    "2": {
      "buckets": [
        {
          "3": {
            "doc_count_error_upper_bound": 0,
            "sum_other_doc_count": 0,
            "buckets": [
              {
                "key": "Full ATS Membership (US Only)",
                "doc_count": 6927
              },
              {
                "key": "Full ATS Membership (International Class A)",
                "doc_count": 2255
              },
              {
                "key": "Full ATS Membership (International Class C)",
                "doc_count": 1711
              },
              {
                "key": "Trainee ATS Membership - First Year Free (US Only)",
                "doc_count": 1224
              },
              {
                "key": "Trainee ATS Membership (US Only)",
                "doc_count": 1073
              },
              {
                "key": "Trainee ATS Membership - First Year Free (International)",
                "doc_count": 540
              },
              {
                "key": "Affiliate ATS Membership (US Only)",
                "doc_count": 408
              },
              {
                "key": "Emeritus ATS Membership",
                "doc_count": 383
              },
              {
                "key": "Trainee ATS Membership (International)",
                "doc_count": 383
              },
              {
                "key": "Senior ATS Membership (US Only)",
                "doc_count": 326
              },
              {
                "key": "Senior ATS Membership (International)",
                "doc_count": 248
              },
              {
                "key": "Full ATS Membership (International Class B)",
                "doc_count": 212
              },
              {
                "key": "Corporate ATS Membership",
                "doc_count": 71
              },
              {
                "key": "Honorary ATS Membership",
                "doc_count": 36
              },
              {
                "key": "Full ATS Membership (Complimentary Membership)",
                "doc_count": 22
              },
              {
                "key": "Affiliate ATS Membership (Complimentary Membership)",
                "doc_count": 17
              }
            ]
          },
          "key_as_string": "2016-04-01T00:00:00.000-04:00",
          "key": 1459483200000,
          "doc_count": 15836
        },
        {
            ]
      ]
    }
  }
}