1. A system, comprising: a graph database that stores data about one or more entities associated with a healthcare computer system, the graph database having one or more nodes and one or more edges connecting each node and each node storing data about an entity and having a unique identifier of the entity; the healthcare computer system having a processor, memory and a plurality of instructions that is configured to: receive an application programming interface call containing application level data for a request for the entity and metadata about the request; a data persistence computer system, coupled to the healthcare computer system, having a processor, memory and a plurality of instructions that is configured to: persist the application level data and the metadata for the entity from the application programming interface call into the graph database and correlate, using the unique identifier of entity, each piece of persisted application level data and metadata to the entity already stored in the graph database; and wherein the entity already stored in the graph database is updated to include the correlated persisted application level data and metadata.