Create, update and get a subscriber using the MailerLite node

{
  "id": "96",
  "name": "Create, update and get a subscriber using the MailerLite node",
  "nodes": [
    {
      "name": "On clicking 'execute'",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        310,
        300
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "name": "MailerLite",
      "type": "n8n-nodes-base.mailerLite",
      "position": [
        510,
        300
      ],
      "parameters": {
        "email": "[email protected]",
        "additionalFields": {
          "name": "Harshil"
        }
      },
      "credentials": {
        "mailerLiteApi": "mailerlite"
      },
      "typeVersion": 1
    },
    {
      "name": "MailerLite1",
      "type": "n8n-nodes-base.mailerLite",
      "position": [
        710,
        300
      ],
      "parameters": {
        "operation": "update",
        "subscriberId": "={{$node[\"MailerLite\"].json[\"email\"]}}",
        "updateFields": {
          "customFieldsUi": {
            "customFi...