Automate assigning GitHub issues

{
  "id": 122,
  "name": "Automate assigning GitHub issues",
  "nodes": [
    {
      "name": "Switch",
      "type": "n8n-nodes-base.switch",
      "position": [
        720,
        360
      ],
      "parameters": {
        "rules": {
          "rules": [
            {
              "value2": "opened"
            },
            {
              "output": 1,
              "value2": "created"
            }
          ]
        },
        "value1": "={{$json[\"body\"][\"action\"]}}",
        "dataType": "string"
      },
      "typeVersion": 1
    },
    {
      "name": "IF no assignee?",
      "type": "n8n-nodes-base.if",
      "position": [
        1120,
        220
      ],
      "parameters": {
        "conditions": {
          "number": [
            {
              "value1": "={{$json[\"body\"][\"issue\"][\"assignees\"].length}}",
              "operation": "equal"
            }
          ],
          "string": [
            {
              "value1": "={{$json[\"body\"][\"issue\"][...