Represent a ToDevice event after it has been processed by OlmMachine#receiveSyncChanges.
The type of processed event
Readonly
A JSON-encoded string containing the processed event. For the Decrypted type this will be the decrypted event as if it was sent in clear (For room keys or secrets some part of the content might have been zeroize'd).
Decrypted
Represent a ToDevice event after it has been processed by OlmMachine#receiveSyncChanges.