The workflow JSON

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{
  "name": "HML \u2014 Supabase heartbeat",
  "nodes": [
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "hours",
              "hoursInterval": 24
            }
          ]
        }
      },
      "id": "cron-1",
      "name": "Daily",
      "type": "n8n-nodes-base.cron",
      "typeVersion": 1,
      "position": [
        240,
        300
      ]
    },
    {
      "parameters": {
        "url": "={{$env.SUPABASE_URL}}/rest/v1/heartbeat",
        "authentication": "none",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "apikey",
              "value": "={{$env.SUPABASE_SERVICE_ROLE_KEY}}"
            },
            {
              "name": "Authorization",
              "value": "=Bearer {{$env.SUPABASE_SERVICE_ROLE_KEY}}"
            },
            {
              "name": "Content-Type",
              "value": "application/json"
            },
            {
              "name": "Prefer",
              "value": "return=minimal"
            }
          ]
        },
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={\"source\":\"n8n_heartbeat\"}",
        "method": "POST",
        "options": {}
      },
      "id": "http-1",
      "name": "Insert heartbeat row",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4,
      "position": [
        500,
        300
      ]
    }
  ],
  "connections": {
    "Daily": {
      "main": [
        [
          {
            "node": "Insert heartbeat row",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "1",
  "id": "hml_heartbeat"
}

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