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{"item": 1, "message":"things"}
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{"item": 2, "message":"stuff"}
{"index":{"_index":"foo","_id":2}}
{"item": 3, "message":"apples"}
{"index":{"_index":"foo","_id":3}}
{"item": 4, "message":"pears"}
{"index":{"_index":"foo","_id":4}}
{"item": 5, "message":"things"}
{"index":{"_index":"foo","_id":5}}
{"item": 6, "message":"pears"}
