Hey everyone, I am trying to make an Elasticsearch request with a blank space as the query. The query should literally be a blank space as such: " ". For example, the query looks like this : {query": ( ) OR (* ). However, I keep getting an error that says "reason":{"type":"query_shard_exception","reason":"Failed to parse query [( ) OR ( *)]". Does anyone know how to do a blank space search without getting this error? Any help would be appreciated 
Thanks for your time!
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