diff --git a/pkg/database/metadata.go b/pkg/database/metadata.go
new file mode 100644
index 0000000..f9c204c
--- /dev/null
+++ b/pkg/database/metadata.go
@@ -0,0 +1,17 @@
+package database
+
+import "time"
+
+type PisMetadata struct {
+	Type        string `json:"type"`
+	LastUpdate  string `json:"lastUpdate"`
+	LastVersion string `json:"lastVersion"`
+}
+
+type CifMetadata struct {
+	Type           string    `json:"type"`
+	LastSequence   int64     `json:"lastSequence"`
+	LastTimestamp  int64     `json:"lastTimestamp"`
+	LastUpdate     time.Time `json:"lastUpdate"`
+	LastUpdateType string    `json:"lastUpdateType"`
+}