Task: Test Workflow 

n8n workflow JSON:
{"nodes":[{"name":"Webhook","type":"n8n-nodes-base.webhook","position":[-550,450],"parameters":{"path":"PuHq2RQsmc3HXB/hook","options":{"rawBody":false},"httpMethod":"POST"},"typeVersion":1},{"name":"Mautic","type":"n8n-nodes-base.mautic","position":[1260,180],"parameters":{"email":"={{$node[\"@MAIN STUDENT DATA\"].json[\"student\"][\"email\"]}}","company":1,"options":{},"lastName":"={{$node[\"@MAIN STUDENT DATA\"].json[\"student\"][\"lastName\"]}}","firstName":"={{$node[\"@MAIN STUDENT DATA\"].json[\"student\"][\"firstName\"]}}","authentication":"oAuth2","additionalFields":{}},"credentials":{"mauticOAuth2Api":"OAuth2 Mautic"},"typeVersion":1,"alwaysOutputData":false},{"name":"Find User","type":"n8n-nodes-base.mautic","position":[170,260],"parameters":{"limit":1,"options":{"search":"={{$node[\"Set Webhook Request\"].json[\"student\"][\"email\"]}}"},"operation":"getAll","authentication":"oAuth2"},"credentials":{"mauticOAuth2Api":"OAuth2 Mautic"},"notesInFlow":false,"typeVersion":1,"alwaysOutputData":false},{"name":"Update User","type":"n8n-nodes-base.mautic","position":[1560,250],"parameters":{"options":{},"contactId":"={{$node[\"@MAIN STUDENT DATA\"].json[\"userFound\"]}}","operation":"update","updateFields":{"email":"={{$node[\"@MAIN STUDENT DATA\"].json[\"student\"][\"email\"]}}","lastName":"={{$node[\"@MAIN STUDENT DATA\"].json[\"student\"][\"lastName\"]}}","firstName":"={{$node[\"@MAIN STUDENT DATA\"].json[\"student\"][\"firstName\"]}}"},"authentication":"oAuth2"},"credentials":{"mauticOAuth2Api":"OAuth2 Mautic"},"typeVersion":1},{"name":"Tag User","type":"n8n-nodes-base.mautic","position":[430,670],"parameters":{"options":{},"contactId":"={{$node[\"Find User To Tag Sale\"].json[\"id\"]}}","operation":"update","updateFields":{"tags":"={{$node[\"Set Webhook Request\"].json[\"student\"][\"course\"][\"name\"]}}"},"authentication":"oAuth2"},"credentials":{"mauticOAuth2Api":"OAuth2 Mautic"},"typeVersion":1},{"name":"Unsubscribe User","type":"n8n-nodes-base.mautic","position":[2170,410],"parameters":{"options":{},"contactId":"={{$node[\"@MAIN STUDENT DATA\"].json[\"userFound\"]}}","operation":"update","updateFields":{"tags":"=#unsubscribe"},"authentication":"oAuth2"},"credentials":{"mauticOAuth2Api":"OAuth2 Mautic"},"typeVersion":1},{"name":"Split Full Name","type":"n8n-nodes-base.function","position":[340,420],"parameters":{"functionCode":"const student = items[0].json.student\nstudent.firstName = student.name ? student.name.split(' ').slice(0, -1).join(' ') : ''\nstudent.lastName= student.name ? student.name.split(' ').slice(-1).join(' ') : ''\nitems[0].json.student = student\nreturn items;"},"typeVersion":1},{"name":"If not found return -1","type":"n8n-nodes-base.function","position":[450,260],"parameters":{"functionCode":"items[0].json.id = items[0].json.id || -1\nreturn items"},"typeVersion":1},{"name":"@MAIN STUDENT DATA","type":"n8n-nodes-base.merge","position":[900,400],"parameters":{"join":"inner","mode":"mergeByIndex"},"typeVersion":1},{"name":"Remove unsubscribe","type":"n8n-nodes-base.mautic","position":[1770,500],"parameters":{"options":{},"contactId":"={{$node[\"@MAIN STUDENT DATA\"].json[\"userFound\"]}}","operation":"update","updateFields":{"tags":"=-#unsubscribe"},"authentication":"oAuth2"},"credentials":{"mauticOAuth2Api":"OAuth2 Mautic"},"typeVersion":1},{"name":"Find User To Tag Sale","type":"n8n-nodes-base.mautic","position":[190,670],"parameters":{"limit":1,"options":{"search":"={{$node[\"Set Webhook Request\"].json[\"student\"][\"user\"][\"email\"]}}"},"operation":"getAll","authentication":"oAuth2"},"credentials":{"mauticOAuth2Api":"OAuth2 Mautic"},"notesInFlow":false,"typeVersion":1,"alwaysOutputData":false},{"name":"Set userFound","type":"n8n-nodes-base.set","position":[700,260],"parameters":{"values":{"string":[{"name":"userFound","value":"={{$node[\"If not found return -1\"].json[\"id\"]}}"}]},"options":{},"keepOnlySet":true},"typeVersion":1},{"name":"Switch Webhook Types","type":"n8n-nodes-base.switch","position":[-70,450],"parameters":{"rules":{"rules":[{"value2":"User.","operation":"contains"},{"output":1,"value2":"Sale.","operation":"contains"}]},"value1":"={{$node[\"Set Webhook Request\"].json[\"type\"]}}","dataType":"string"},"typeVersion":1},{"name":"Set Webhook Request","type":"n8n-nodes-base.set","position":[-310,450],"parameters":{"values":{"string":[{"name":"student","value":"={{$node[\"Webhook\"].json[\"body\"][\"object\"]}}"},{"name":"type","value":"={{$node[\"Webhook\"].json[\"body\"][\"type\"]}}"}]},"options":{},"keepOnlySet":true},"typeVersion":1},{"name":"IF NOT userFound","type":"n8n-nodes-base.if","position":[1090,400],"parameters":{"conditions":{"string":[{"value1":"={{$node[\"@MAIN STUDENT DATA\"].json[\"userFound\"]}}","value2":"-1","operation":"regex"}]}},"typeVersion":1},{"name":"Switch User.type","type":"n8n-nodes-base.switch","position":[1380,420],"parameters":{"rules":{"rules":[{"value2":"User.updated"},{"output":1,"value2":"User.unsubscribe_from_marketing_emails"},{"output":2,"value2":"=User.subscribe_to_marketing_emails"}]},"value1":"={{$node[\"@MAIN STUDENT DATA\"].json[\"type\"]}}","dataType":"string"},"typeVersion":1},{"name":"IF unsubscribe_from_marketing_emails","type":"n8n-nodes-base.if","position":[1770,250],"parameters":{"conditions":{"string":[],"boolean":[{"value1":"={{$node[\"@MAIN STUDENT DATA\"].json[\"student\"][\"unsubscribe_from_marketing_emails\"]}}","value2":true}]}},"typeVersion":1}],"connections":{"Webhook":{"main":[[{"node":"Set Webhook Request","type":"main","index":0}]]},"Find User":{"main":[[{"node":"If not found return -1","type":"main","index":0}]]},"Update User":{"main":[[{"node":"IF unsubscribe_from_marketing_emails","type":"main","index":0}]]},"Set userFound":{"main":[[{"node":"@MAIN STUDENT DATA","type":"main","index":0}]]},"Split Full Name":{"main":[[{"node":"@MAIN STUDENT DATA","type":"main","index":1}]]},"IF NOT userFound":{"main":[[{"node":"Mautic","type":"main","index":0}],[{"node":"Switch User.type","type":"main","index":0}]]},"Switch User.type":{"main":[[{"node":"Update User","type":"main","index":0}],[{"node":"Unsubscribe User","type":"main","index":0}],[{"node":"Remove unsubscribe","type":"main","index":0}]]},"@MAIN STUDENT DATA":{"main":[[{"node":"IF NOT userFound","type":"main","index":0}]]},"Set Webhook Request":{"main":[[{"node":"Switch Webhook Types","type":"main","index":0}]]},"Switch Webhook Types":{"main":[[{"node":"Find User","type":"main","index":0},{"node":"Split Full Name","type":"main","index":0}],[{"node":"Find User To Tag Sale","type":"main","index":0}]]},"Find User To Tag Sale":{"main":[[{"node":"Tag User","type":"main","index":0}]]},"If not found return -1":{"main":[[{"node":"Set userFound","type":"main","index":0}]]},"IF unsubscribe_from_marketing_emails":{"main":[[{"node":"Unsubscribe User","type":"main","index":0}],[{"node":"Remove unsubscribe","type":"main","index":0}]]}}}