1{
2  "topology_description": {
3    "type": "ReplicaSetNoPrimary",
4    "servers": [
5      {
6        "address": "a:27017",
7        "type": "RSSecondary",
8        "avg_rtt_ms": 50,
9        "lastUpdateTime": 0,
10        "maxWireVersion": 5,
11        "lastWrite": {
12          "lastWriteDate": {
13            "$numberLong": "1000001"
14          }
15        }
16      },
17      {
18        "address": "b:27017",
19        "type": "RSSecondary",
20        "avg_rtt_ms": 5,
21        "lastUpdateTime": 0,
22        "maxWireVersion": 5,
23        "lastWrite": {
24          "lastWriteDate": {
25            "$numberLong": "1"
26          }
27        }
28      }
29    ]
30  },
31  "read_preference": {
32    "mode": "Nearest"
33  },
34  "suitable_servers": [
35    {
36      "address": "a:27017",
37      "type": "RSSecondary",
38      "avg_rtt_ms": 50,
39      "lastUpdateTime": 0,
40      "maxWireVersion": 5,
41      "lastWrite": {
42        "lastWriteDate": {
43          "$numberLong": "1000001"
44        }
45      }
46    },
47    {
48      "address": "b:27017",
49      "type": "RSSecondary",
50      "avg_rtt_ms": 5,
51      "lastUpdateTime": 0,
52      "maxWireVersion": 5,
53      "lastWrite": {
54        "lastWriteDate": {
55          "$numberLong": "1"
56        }
57      }
58    }
59  ],
60  "in_latency_window": [
61    {
62      "address": "b:27017",
63      "type": "RSSecondary",
64      "avg_rtt_ms": 5,
65      "lastUpdateTime": 0,
66      "maxWireVersion": 5,
67      "lastWrite": {
68        "lastWriteDate": {
69          "$numberLong": "1"
70        }
71      }
72    }
73  ]
74}
75