diff --git a/services/mediametrics/StringUtils.h b/services/mediametrics/StringUtils.h
index 37ed173..01034d9 100644
--- a/services/mediametrics/StringUtils.h
+++ b/services/mediametrics/StringUtils.h
@@ -16,6 +16,8 @@
 
 #pragma once
 
+#include <iomanip>
+#include <sstream>
 #include <string>
 #include <vector>
 
@@ -146,4 +148,23 @@
     return {}; // if not a logSessionId, return an empty string.
 }
 
+inline std::string bytesToString(const std::vector<uint8_t>& bytes, size_t maxSize = SIZE_MAX) {
+    if (bytes.size() == 0) {
+        return "{}";
+    }
+    std::stringstream ss;
+    ss << "{";
+    ss << std::hex << std::setfill('0');
+    maxSize = std::min(maxSize, bytes.size());
+    for (size_t i = 0; i < maxSize; ++i) {
+        ss << " " << std::setw(2) << (int)bytes[i];
+    }
+    if (maxSize != bytes.size()) {
+        ss << " ... }";
+    } else {
+        ss << " }";
+    }
+    return ss.str();
+}
+
 } // namespace android::mediametrics::stringutils