diff --git a/src/entities/ParkingRepositoryEntities.ts b/src/entities/ParkingRepositoryEntities.ts
index b78a754..076669d 100644
--- a/src/entities/ParkingRepositoryEntities.ts
+++ b/src/entities/ParkingRepositoryEntities.ts
@@ -8,4 +8,10 @@ export interface IParkingStructure extends IEntityWithTimestamp, IEntityWithId {
   name: string;
 }
 
+export interface IParkingStructureTimestampRecord extends IEntityWithTimestamp {
+  timestampMs: number;
+  id: string;
+  spotsAvailable: number;
+}
+
 // In the future, add support for viewing different levels of the structure