Task: Telegram sticker bot

n8n workflow JSON:
{"nodes":[{"name":"Telegram Trigger","type":"n8n-nodes-base.telegramTrigger","position":[450,300],"parameters":{"updates":["message"]},"credentials":{"telegramApi":""},"typeVersion":1},{"name":"Return Sticker","type":"n8n-nodes-base.telegram","position":[850,200],"parameters":{"text":"=Hi {{$node[\"Look for Sticker\"].data[\"message\"][\"from\"][\"first_name\"]}}!\nThe ID of the sticker is: {{$node[\"Look for Sticker\"].data[\"message\"][\"sticker\"][\"file_id\"]}}\nIt is part of the sticker-set: {{$node[\"Look for Sticker\"].data[\"message\"][\"sticker\"][\"set_name\"]}}","chatId":"={{$node[\"Look for Sticker\"].data[\"message\"][\"chat\"][\"id\"]}}","additionalFields":{}},"credentials":{"telegramApi":""},"typeVersion":1},{"name":"Return no Sticker found","type":"n8n-nodes-base.telegram","position":[850,400],"parameters":{"text":"=Hi {{$node[\"Look for Sticker\"].data[\"message\"][\"from\"][\"first_name\"]}}!\nYour message did not contain any sticker.","chatId":"={{$node[\"Look for Sticker\"].data[\"message\"][\"chat\"][\"id\"]}}","additionalFields":{}},"credentials":{"telegramApi":"n8nTestBot"},"typeVersion":1},{"name":"Look for Sticker","type":"n8n-nodes-base.if","position":[650,300],"parameters":{"conditions":{"boolean":[{"value1":"={{!!$node[\"Telegram Trigger\"].data[\"message\"][\"sticker\"]}}","value2":true}]}},"typeVersion":1}],"connections":{"Look for Sticker":{"main":[[{"node":"Return Sticker","type":"main","index":0}],[{"node":"Return no Sticker found","type":"main","index":0}]]},"Telegram Trigger":{"main":[[{"node":"Look for Sticker","type":"main","index":0}]]}}}