explicitly set username as json string (otherwise can be converted to a number with scientific operation)
explicitly set username as json string (otherwise can be converted to a number with scientific operation)

cytomine/Cytomine-core,cytomine/Cytomine-core,cytomine/Cytomine-core,cytomine/Cytomine-core,cytomine/Cytomine-core,cytomine/Cytomine-core