"query": {
  "properties": {
    "match_all": {
      "type": "object"
     }
   }
 },

POST http://localhost:9200/myindex -d '"query": {
  "properties": {
    "match_all": {
      "type": "object"
     }
   }
 }'

POST http://localhost:9200/myindex/_search -d '"query": {
  "properties": {
    "match_all": {
      "type": "object"
     }
   }
 }'