private boolean validateMessage(final byte[] data) {
        final ProvisioningState state = provisioningState;
        return data[1] == state.getState().ordinal();

    }
Sends the provisioning confirmation

@param authentication authentication value input by the user this may be nullable depending on the OOB type selected by the user
mesh/src/main/java/no/nordicsemi/android/mesh/MeshProvisioningHandler.java