def variantMetadata_object(processed_request):
    """
    Builds the variantAnnotation object.
    Since we only have one model for this object we keep it simple.
    """ 
    
    beacon_variant_metadata_v1_0 = {
                "default": {
                    "version": "beacon-variant-metadata-v1.0",
                    "value": {
                        "geneId": "",
                        "HGVSId": "",
                        "transcriptId": "",
                        "alleleId": "",
                        "variantClassification": "",
                        "variantType": "",
                        "disease": "",
                        "proteinChange": "",
                        "clinVarId": "",
                        "pubmedId": "",
                        "timestamp": "",
                        "info": { }
                    } 
                },
                "alternativeSchemas": []
            }

    return beacon_variant_metadata_v1_0