// get the bytes for the message signer to sign on
func (msg MsgCreateValidator) GetSignBytes() []byte {
	b, err := MsgCdc.MarshalJSON(struct {
		Description
		DelegatorAddr sdk.AccAddress `json:"delegator_address"`
		ValidatorAddr sdk.ValAddress `json:"validator_address"`
		PubKey        string         `json:"pubkey"`
		Delegation    sdk.Coin       `json:"delegation"`
	}{
		Description:   msg.Description,
		ValidatorAddr: msg.ValidatorAddr,
		PubKey:        sdk.MustBech32ifyConsPub(msg.PubKey),
		Delegation:    msg.Delegation,
	})
	if err != nil {
		panic(err)
	}
	return sdk.MustSortJSON(b)
}