Task: Register users to an event on Demio via Typeform

n8n workflow JSON:
{"nodes":[{"name":"Typeform Trigger","type":"n8n-nodes-base.typeformTrigger","position":[510,260],"webhookId":"1cbca674-78fb-402e-b225-2aa6f92b5338","parameters":{"formId":""},"credentials":{"typeformApi":"Typeform Burner Account"},"typeVersion":1},{"name":"Demio","type":"n8n-nodes-base.demio","position":[710,260],"parameters":{"email":"={{$json[\"What's your email address?\"]}}","eventId":357191,"firstName":"={{$json[\"Let's start with your name.\"]}}","operation":"register","additionalFields":{}},"credentials":{"demioApi":"Demio API Credentials"},"typeVersion":1}],"connections":{"Typeform Trigger":{"main":[[{"node":"Demio","type":"main","index":0}]]}}}