Task: Execute another workflow

n8n workflow JSON:
{"nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[220,340],"parameters":{},"typeVersion":1},{"name":"Execute Workflow","type":"n8n-nodes-base.executeWorkflow","position":[410,340],"parameters":{"workflowId":"1"},"typeVersion":1}],"connections":{"On clicking 'execute'":{"main":[[{"node":"Execute Workflow","type":"main","index":0}]]}}}