{
  "nftables": [
    {
      "metainfo": {
        "version": "1.0.9",
        "release_name": "Old Doc Yak #3",
        "json_schema_version": 1
      }
    },
    {
      "table": {
        "family": "ip",
        "name": "nat",
        "handle": 9
      }
    },
    {
      "map": {
        "family": "ip",
        "name": "porttoip",
        "table": "nat",
        "type": "inet_service",
        "handle": 3,
        "map": "ipv4_addr",
        "elem": [
          [
            80,
            "192.168.1.100"
          ],
          [
            8888,
            "192.168.1.101"
          ]
        ]
      }
    },
    {
      "chain": {
        "family": "ip",
        "table": "nat",
        "name": "prerouting",
        "handle": 1
      }
    },
    {
      "chain": {
        "family": "ip",
        "table": "nat",
        "name": "postrouting",
        "handle": 2
      }
    },
    {
      "rule": {
        "family": "ip",
        "table": "nat",
        "chain": "prerouting",
        "handle": 5,
        "expr": [
          {
            "dnat": {
              "addr": {
                "map": {
                  "key": {
                    "payload": {
                      "protocol": "tcp",
                      "field": "dport"
                    }
                  },
                  "data": {
                    "set": [
                      [
                        80,
                        "192.168.1.100"
                      ],
                      [
                        8888,
                        "192.168.1.101"
                      ]
                    ]
                  }
                }
              }
            }
          }
        ]
      }
    },
    {
      "rule": {
        "family": "ip",
        "table": "nat",
        "chain": "postrouting",
        "handle": 6,
        "expr": [
          {
            "snat": {
              "addr": {
                "map": {
                  "key": {
                    "payload": {
                      "protocol": "tcp",
                      "field": "dport"
                    }
                  },
                  "data": "@porttoip"
                }
              }
            }
          }
        ]
      }
    }
  ]
}