Mapped type from event type to content type for all specified global events encrypted by secret storage.
See https://spec.matrix.org/v1.13/client-server-api/#msecret_storagev1aes-hmac-sha2-1
Mapped type from event type to content type for all specified global events encrypted by secret storage.
See https://spec.matrix.org/v1.13/client-server-api/#msecret_storagev1aes-hmac-sha2-1