A device configured to receive a request for processing a digital document that identifies a target data structure. The device is further configured to obtain the digital document and to process the digital document to identify objects within the digital document. The device is further configured to input the digital document into a machine learning model that is configured to output contextual metadata for the digital document based on the digital document. The contextual metadata describes attributes of the identified objects within the digital document. The device is further configured to populate a first subset of entries in the target data structure with identifiers for the objects identified within the digital document and to populate a second subset of entries in the target data structure with the contextual metadata. The device is further configured to send the populated target data structure to the network device.