test.json

{
	"collection-1" : {
		"document-1-1" : {
			"field1" : "value-1-1-1",
			"field2" : "value-1-1-2",
			"field3" : 113,
			"field4" : "equal",
			"field5" : true,
			"field6" : [1, 2, 3],
			"field7" : {
				"subfield1" : "subvalue-1-1-1-1",
				"subfield2" : "subvalue-1-1-1-2"
			},
			"field8" : "2001-01-01T00:00:00Z",
			"field9" : "data:text/plain;base64,MTIzNDU2Nzg5MA=="
		},
		"document-1-2" : {
			"field1" : "value-1-2-1",
			"field2" : "value-1-2-2",
			"field3" : 123,
			"field4" : "equal",
			"field5" : false,
			"field6" : [3, 4, 5],
			"field7" : {
				"subfield1" : "subvalue-1-2-1-1",
				"subfield2" : "subvalue-1-2-1-2"
			},
			"field8" : "2001-02-01T00:00:00Z",
			"field9" : "data:text/plain;base64,QUJDREVGRw=="
		}
	},
	"collection-2" : {
		"document-2-3" : {
			"field1" : "value-2-3-1",
			"field2" : "value-2-3-2",
			"field3" : 233,
			"field4" : "equal"
		},
		"document-2-4" : {
			"__collections__" : {
				"subcollection-2-4": {
					"subdocument-2-4-1" : {
						"field1" : "value-2-4-1-1",
						"field2" : "value-2-4-1-2"
					},
					"subdocument-2-4-2" : {
						"field1" : "value-2-4-2-1",
						"field2" : "value-2-4-2-2"
					}
				}
			},
			"field1" : "value-2-4-1",
			"field2" : "value-2-4-2",
			"field3" : 243,
			"field4" : "equal"
		}
	}
}