{"buffer_status":{"breathing_capacity":300,"breathing_samples":0,"heartbeat_capacity":150,"heartbeat_samples":0},"source":"esp32","tick":3491,"vital_signs":{"breathing_confidence":0.4307277590447542,"breathing_rate_bpm":7.521671386431202,"heart_rate_bpm":78.57239511109447,"heartbeat_confidence":0.4366814235915856,"signal_quality":0.16012399904882235}}