Task: Telegram messaging for bash-dash

n8n workflow JSON:
{"id":"5","name":"bash-dash telegram","nodes":[{"name":"Webhook","type":"n8n-nodes-base.webhook","position":[450,450],"webhookId":"b43ae7e2-a058-4738-8d49-ac76db6e8166","parameters":{"path":"telegram","options":{"responsePropertyName":"response"},"responseMode":"lastNode"},"typeVersion":1},{"name":"Set","type":"n8n-nodes-base.set","position":[850,450],"parameters":{"values":{"string":[{"name":"response","value":"=Sent message to {{$node[\"Telegram\"].json[\"result\"][\"chat\"][\"first_name\"]}}: \"{{$node[\"Telegram\"].parameter[\"text\"]}}\""}]},"options":{}},"typeVersion":1},{"name":"Telegram","type":"n8n-nodes-base.telegram","position":[650,450],"parameters":{"text":"={{$node[\"Webhook\"].json[\"query\"][\"parameter\"]}}","chatId":"123456789","additionalFields":{}},"credentials":{"telegramApi":"telegram_bot"},"typeVersion":1}],"active":true,"settings":{},"connections":{"Set":{"main":[[]]},"Webhook":{"main":[[{"node":"Telegram","type":"main","index":0}]]},"Telegram":{"main":[[{"node":"Set","type":"main","index":0}]]}}}