Task: Send daily weather updates via a push notification using Spontit

n8n workflow JSON:
{"id":"141","name":"Send daily weather updates via a push notification using Spontit","nodes":[{"name":"Cron","type":"n8n-nodes-base.cron","position":[810,340],"parameters":{"triggerTimes":{"item":[{"hour":9}]}},"typeVersion":1},{"name":"OpenWeatherMap","type":"n8n-nodes-base.openWeatherMap","position":[1010,340],"parameters":{"cityName":"berlin"},"credentials":{"openWeatherMapApi":"owm"},"typeVersion":1},{"name":"Spontit","type":"n8n-nodes-base.spontit","position":[1210,340],"parameters":{"content":"=Hey! The temperature outside is {{$node[\"OpenWeatherMap\"].json[\"main\"][\"temp\"]}}°C.","additionalFields":{"pushTitle":"Today's Weather Update"}},"credentials":{"spontitApi":"spontit"},"typeVersion":1}],"active":false,"settings":{},"connections":{"Cron":{"main":[[{"node":"OpenWeatherMap","type":"main","index":0}]]},"OpenWeatherMap":{"main":[[{"node":"Spontit","type":"main","index":0}]]}}}