Query {'flat': 'on', 'database': 'data', 'fields': {'a.source-value': 1, '_id': 0, 'meta.runner._id': 1}, 'project': ['a.source-value'], 'limit': 1, 'query': {'meta.runner._id': {'$regex': 'TE_772075082810'}, 'meta.subject._id': u'EAM_Dynamo_Hale_Wong_pairMorse_PdAgH__MO_108983864770_004'}} matched documents for the following UUIDs: [u'TE_772075082810_004-and-MO_108983864770_004-1525995939-tr']