Task: Add a datapoint to Beeminder on Strava activity update

n8n workflow JSON:
{"id":"208","name":"Add a datapoint to Beeminder when new activity is added to Strava","nodes":[{"name":"Strava Trigger","type":"n8n-nodes-base.stravaTrigger","position":[470,300],"webhookId":"2b0c6812-ac24-42e5-b15e-8d1fb7606908","parameters":{"event":"create","options":{}},"credentials":{"stravaOAuth2Api":"strava"},"typeVersion":1},{"name":"Beeminder","type":"n8n-nodes-base.beeminder","position":[670,300],"parameters":{"goalName":"testing","additionalFields":{"comment":"={{$json[\"object_data\"][\"name\"]}}"}},"credentials":{"beeminderApi":"Beeminder credentials"},"typeVersion":1}],"active":false,"settings":{},"connections":{"Strava Trigger":{"main":[[{"node":"Beeminder","type":"main","index":0}]]}}}