Workflow: Add subscriber to form, create tag and subscriber to the tag
Integrations: convertKit, manualTrigger

{"id": "25", "name": "Add subscriber to form, create tag and subscriber to the tag", "nodes": [{"name": "On clicking 'execute'", "type": "n8n-nodes-base.manualTrigger", "position": [300, 300], "parameters": {}, "typeVersion": 1}, {"name": "ConvertKit", "type": "n8n-nodes-base.convertKit", "position": [500, 300], "parameters": {"id": 1657198, "email": "", "additionalFields": {}}, "credentials": {"convertKitApi": "convertkit"}, "typeVersion": 1}, {"name": "ConvertKit1", "type": "n8n-nodes-base.convertKit", "position": [710, 300], "parameters": {"name": "", "resource": "tag"}, "credentials": {"convertKitApi": "convertkit"}, "typeVersion": 1}, {"name": "ConvertKit2", "type": "n8n-nodes-base.convertKit", "position": [910, 300], "parameters": {"email": "={{$node[\"ConvertKit\"].json[\"subscriber\"][\"email_address\"]}}", "tagId": 1850395, "resource": "tagSubscriber", "operation": "add", "additionalFields": {"fields": {"field": []}}}, "credentials": {"convertKitApi": "convertkit"}, "typeVersion": 1}], "active": false, "settings": {}, "connections": {"ConvertKit": {"main": [[{"node": "ConvertKit1", "type": "main", "index": 0}]]}, "ConvertKit1": {"main": [[{"node": "ConvertKit2", "type": "main", "index": 0}]]}, "On clicking 'execute'": {"main": [[{"node": "ConvertKit", "type": "main", "index": 0}]]}}}