Response
Success
Represents a single document or data entry in the graph's Store. Items are used to store cross-thread memories.
The namespace of the item. A namespace is analogous to a document's directory.
The unique identifier of the item within its namespace. In general, keys needn't be globally unique.
The value stored in the item. This is the document itself.
The timestamp when the item was created.
The timestamp when the item was last updated.