how can i modify the commission rate for the node ? about cosmosjs HOT 3 CLOSED

type MsgEditValidator struct {
	Description      Description    `json:"description" yaml:"description"`
	ValidatorAddress sdk.ValAddress `json:"address" yaml:"address"`
	// We pass a reference to the new commission rate and min self delegation as it's not mandatory to
	// update. If not updated, the deserialized rate will be zero with no way to
	// distinguish if an update was intended.
	//
	// REF: #2373
	CommissionRate    *sdk.Dec `json:"commission_rate" yaml:"commission_rate"`
	MinSelfDelegation *sdk.Int `json:"min_self_delegation" yaml:"min_self_delegation"`
}