int64 hardware_timestamp_us
float64 odom_x_m
float64 odom_y_m
float64 odom_yaw_rad
float64 feedback_linear_vel_ms
float64 feedback_angular_vel_rads
float64 left_motor_current_amp
float64 right_motor_current_amp
float64 steering_motor_current_amp
float64 cmd_steering_output