MainRouteBuilder.java rhidentity decoded

    public String getRHIdentity(String x_rh_identity_json, String filename, Map<String, Object> headers) throws IOException {
        RHIdentity rhidentity;
        String identity_json_decoded = new String(Base64.getDecoder().decode(x_rh_identity_json));
        if (x_rh_identity_json != null) {
            rhidentity = new ObjectMapper().reader().withRootName("identity").readValue(new JsonFactory().createParser(identity_json_decoded), RHIdentity.class);
        } else {
          rhidentity = new RHIdentity();  
        }
        
        // we add all properties defined on the Insights Properties, that we should have as Headers of the message
        insightsProperties.forEach(e -> rhidentity.getInternal().put(e, ((Map<String,Object>) headers.get("MA_metadata")).get(e).toString()));

        rhidentity.getInternal().put("filename", filename);
        String rhIdentity_json = "";
        try {
            rhIdentity_json = new ObjectMapper().writer().withRootName("identity").writeValueAsString(RHIdentity.builder()
                    .account_number(accountNumber)
                    .internal(rhidentity.getInternal())
                    .build());
        } catch (JsonProcessingException e) {
            e.printStackTrace();
        }
        return Base64.getEncoder().encodeToString(rhIdentity_json.getBytes());
    }