Rename a private subnet

Example response

{
  "firewalls": [
    {
      "firewall_rules": [
        {
          "id": "fraz0q3vbrpa7pkg7zbmah9csn"
        }
      ],
      "id": "fwfg7td83em22qfw9pq5xyfqb7"
    }
  ],
  "id": "ps3dngttwvje2kmr2sn8x12x4r"
}