{
  "asset_id": "str",
  "plant_id": "str",
  "line_id": "str",
  "cell_id": "str",
  "asset_type": "str",
  "observation_timestamp": "str",
  "shift_id": "str",
  "observation_frequency_hz": "float64",
  "temp_bearing_drive_end_c": "float64",
  "temp_bearing_non_drive_end_c": "float64",
  "temp_motor_winding_c": "float64",
  "temp_coolant_inlet_c": "float64",
  "temp_coolant_outlet_c": "float64",
  "temp_ambient_c": "float64",
  "temp_delta_bearing_c": "float64",
  "thermal_gradient_c_per_hr": "float64",
  "vib_overall_rms_mm_s": "float64",
  "vib_peak_mm_s": "float64",
  "vib_crest_factor": "float64",
  "vib_kurtosis": "float64",
  "vib_1x_rpm_amplitude": "float64",
  "vib_2x_rpm_amplitude": "float64",
  "vib_bpfo_amplitude": "float64",
  "vib_bpfi_amplitude": "float64",
  "vib_bsf_amplitude": "float64",
  "vib_ftf_amplitude": "float64",
  "vib_high_frequency_db": "float64",
  "vib_axial_rms_mm_s": "float64",
  "vib_iso10816_severity_zone": "str",
  "pressure_inlet_bar": "float64",
  "pressure_outlet_bar": "float64",
  "pressure_differential_bar": "float64",
  "pressure_lube_oil_bar": "float64",
  "pressure_pulsation_bar_pp": "float64",
  "flow_rate_m3_hr": "float64",
  "npsh_available_m": "float64",
  "cavitation_index": "float64",
  "current_phase_a_amps": "float64",
  "current_phase_b_amps": "float64",
  "current_phase_c_amps": "float64",
  "current_imbalance_pct": "float64",
  "voltage_line_to_line_v": "float64",
  "power_factor": "float64",
  "active_power_kw": "float64",
  "reactive_power_kvar": "float64",
  "apparent_power_kva": "float64",
  "motor_load_pct": "float64",
  "thd_voltage_pct": "float64",
  "thd_current_pct": "float64",
  "insulation_resistance_mohm": "float64",
  "mcsa_sideband_db": "float64",
  "operating_speed_rpm": "float64",
  "motor_load_pct_operational": "float64",
  "efficiency_pct": "float64",
  "oee_availability_pct": "float64",
  "oee_performance_pct": "float64",
  "oee_quality_pct": "float64",
  "oee_overall_pct": "float64",
  "oil_viscosity_cst": "float64",
  "oil_contamination_ntu": "float64",
  "oil_particle_count_iso4406": "str",
  "hours_since_lubrication": "float64",
  "health_index": "float64",
  "rul_predicted_hours": "float64",
  "rul_confidence_interval_pct": "int64",
  "failure_mode_active": "str",
  "failure_mode_severity": "str",
  "anomaly_label": "int64",
  "fault_probability_pct": "float64",
  "alarm_level": "str",
  "alert_triggered_flag": "bool",
  "alarm_triggered_flag": "bool",
  "shutdown_triggered_flag": "bool",
  "maintenance_recommendation": "str",
  "sensor_data_quality": "str",
  "protocol": "str",
  "gateway_id": "str",
  "facility_temp_c": "float64",
  "facility_humidity_rh_pct": "float64"
}