{
  "id": 0,
  "server": "backend1.example.com:8080",
  "service": "http",
  "weight": 5,
  "max_conns": 250,
  "max_fails": 3,
  "fail_timeout": "10s",
  "slow_start": "30s",
  "route": "a",
  "backup": false,
  "down": false,
  "drain": false,
  "parent": "0",
  "host": "backend1.example.com"
}