ros2 topic pub --rate 10 /LF/motor_cmds rc_msgs/msg/MotorCmds "motor_cmd_0:
  tau: 0.0
  vw: 0.0
  pos: 0.0
  kp: 0.0
  kd: 0.0
motor_cmd_1:
  tau: 0.0
  vw: 0.0
  pos: 0.0
  kp: 0.0
  kd: 0.0
motor_cmd_2:
  tau: 0.0
  vw: 0.0
  pos: 0.0
  kp: 0.0
  kd: 0.0"