Understanding the Significance of Nested Stats (GTM)

[user@host ~]$ curl -k --user f5User:${RD_SECUREOPTION_F5_PASSWORD} -X GET -H "Accept: application/json" https://${RD_OPTION_GTM_SERVER}/mgmt/tm/gtm/pool/a/Pool-myservice-sts.gslb-int.mydomain.com/members/~Common~f5-ALB-PAIR:IP_ADDR-443/stats | jq '.'
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  2118  100  2118    0     0   9503      0 --:--:-- --:--:-- --:--:--  9540
{
  "kind": "tm:gtm:pool:a:members:membersstats",
  "generation": 210,
  "selfLink": "https://localhost/mgmt/tm/gtm/pool/a/Pool-myservice-sts.gslb-int.mydomain.com/members/~Common~f5-ALB-PAIR:IP_ADDR-443/stats?ver=12.1.4",
  "entries": {
    "https://localhost/mgmt/tm/gtm/pool/a/Pool-myservice-sts.gslb-int.mydomain.com/members/~Common~f5-ALB-PAIR:IP_ADDR-443/~Common~Pool-myservice-sts.gslb-int.mydomain.com:A/stats": {
      "nestedStats": {
        "kind": "tm:gtm:pool:a:members:membersstats",
        "selfLink": "https://localhost/mgmt/tm/gtm/pool/a/Pool-myservice-sts.gslb-int.mydomain.com/members/~Common~f5-ALB-PAIR:IP_ADDR-443/~Common~Pool-myservice-sts.gslb-int.mydomain.com:A/stats?ver=12.1.4",
        "entries": {
          "alternate": {
            "value": 413
          },
          "dropped": {
            "value": 0
          },
          "fallback": {
            "value": 0
          },
          "tmName": {
            "description": "/Common/Pool-myservice-sts.gslb-int.mydomain.com"
          },
          "poolType": {
            "description": "A"
          },
          "preferred": {
            "value": 3940
          },
          "returnFromDns": {
            "value": 0
          },
          "returnToDns": {
            "value": 0
          },
          "status.availabilityState": {
            "description": "available"
          },
          "status.enabledState": {
            "description": "enabled"
          },
          "status.statusReason": {
            "description": "Available"
          },
          "https://localhost/mgmt/tm/gtm/pool/a/Pool-myservice-sts.gslb-int.mydomain.com/members/~Common~f5-ALB-PAIR:IP_ADDR-443/~Common~Pool-myservice-sts.gslb-int.mydomain.com:A/members/stats": {
            "nestedStats": {
              "entries": {
                "https://localhost/mgmt/tm/gtm/pool/a/Pool-myservice-sts.gslb-int.mydomain.com/members/~Common~f5-ALB-PAIR:IP_ADDR-443/~Common~Pool-myservice-sts.gslb-int.mydomain.com:A/members/IP_ADDR-443:~Common~f5-ALB-PAIR/stats": {
                  "nestedStats": {
                    "entries": {
                      "alternate": {
                        "value": 18
                      },
                      "fallback": {
                        "value": 0
                      },
                      "poolName": {
                        "description": "/Common/Pool-myservice-sts.gslb-int.mydomain.com"
                      },
                      "poolType": {
                        "description": "A"
                      },
                      "preferred": {
                        "value": 33
                      },
                      "serverName": {
                        "description": "/Common/f5-ALB-PAIR"
                      },
                      "status.availabilityState": {
                        "description": "available"
                      },
                      "status.enabledState": {
                        "description": "disabled"
                      },
                      "status.statusReason": {
                        "description": "Available: disabled directly"
                      },
                      "vsName": {
                        "description": "IP_ADDR-443"
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}