BeforeSendHookAddress defines a gRPC query method for
getting the address registered for the before send hook.
get
/osmosis/tokenfactory/v1beta1/denoms/{denom}/before_send_hook
curl -L \
--url '//osmo.nownodes.io/osmosis/tokenfactory/v1beta1/denoms/{denom}/before_send_hook'
{
"cosmwasm_address": "text"
}