message: Verify packed_action_data specified
diff: @@ -1841,6 +1841,7 @@ int main( int argc, char** argv ) {
  unpack_action_data->add_option("name", packed_action_data_name_string, localized("The name of the function that's called by this action"))->required();
  unpack_action_data->add_option("packed_action_data", packed_action_data_string, localized("The action data expressed as packed hex string"))->required();
  unpack_action_data->set_callback([&] {
  + EOS_ASSERT( packed_action_data_string.size() >= 2, transaction_type_exception, "No packed_action_data found" );
  vector<char> packed_action_data_blob(packed_action_data_string.size()/2);
  fc::from_hex(packed_action_data_string, packed_action_data_blob.data(), packed_action_data_blob.size());
  fc::variant unpacked_action_data_json = bin_to_variant(packed_action_data_account_string, packed_action_data_name_string, packed_action_data_blob);
  