diff --git a/Cargo.lock b/Cargo.lock
index 7f7f9ff..b978fc1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -355,7 +355,7 @@ dependencies = [
 
 [[package]]
 name = "substreams-entity-change"
-version = "1.3.0"
+version = "1.3.1"
 dependencies = [
  "base64",
  "prost",
diff --git a/substreams-entity-change/src/tables.rs b/substreams-entity-change/src/tables.rs
index f0ed458..4761321 100644
--- a/substreams-entity-change/src/tables.rs
+++ b/substreams-entity-change/src/tables.rs
@@ -323,6 +323,26 @@ impl ToValue for &Vec<u8> {
     }
 }
 
+impl ToValue for &Vec<Vec<u8>> {
+    fn to_value(self) -> Value {
+        Value {
+            typed: Some(Typed::Array(Array {
+                value: self.iter().map(ToValue::to_value).collect(),
+            })),
+        }
+    }
+}
+
+impl ToValue for Vec<Vec<u8>> {
+    fn to_value(self) -> Value {
+        Value {
+            typed: Some(Typed::Array(Array {
+                value: self.into_iter().map(ToValue::to_value).collect(),
+            })),
+        }
+    }
+}
+
 impl ToValue for Vec<String> {
     fn to_value(self) -> Value {
         Value {
@@ -442,3 +462,40 @@ macro_rules! impl_to_int32_value {
 impl_to_int32_value!(i8);
 impl_to_int32_value!(i16);
 impl_to_int32_value!(i32);
+
+#[cfg(test)]
+mod test {
+    use crate::pb::entity::{EntityChange, EntityChanges, entity_change::Operation, Field, Value, value::Typed, Array};
+
+    use super::Tables;
+
+    #[test]
+    fn test_vec_vec_u8() {
+        let mut tables = Tables::new();
+        tables.create_row("table", "1").set("field", &vec![vec![1, 2, 3]]);
+
+        let changes = tables.to_entity_changes();
+        assert_eq!(changes.entity_changes.len(), 1);
+        assert_eq!(changes.entity_changes[0], EntityChange {
+            entity: "table".to_string(),
+            id: "1".to_string(),
+            ordinal: 0,
+            operation: Operation::Create as i32,
+            fields: vec![
+                Field {
+                    name: "field".to_string(),
+                    new_value: Some(Value {
+                        typed: Some(Typed::Array(Array {
+                            value: vec![
+                                Value {
+                                    typed: Some(Typed::Bytes("AQID".to_string())),
+                                }
+                            ],
+                        })),
+                    }),
+                    old_value: None,
+                }
+            ],
+         });
+    }
+}
\ No newline at end of file