refactor(api): restructure bolt package (#1981)

* refactor(api): bolt package refactor

* refactor(api): refactor bolt package

api/bolt/internal/json.go

@@ -0,0 +1,15 @@
+package internal
+
+import (
+	"encoding/json"
+)
+
+// MarshalObject encodes an object to binary format
+func MarshalObject(object interface{}) ([]byte, error) {
+	return json.Marshal(object)
+}
+
+// UnmarshalObject decodes an object from binary data
+func UnmarshalObject(data []byte, object interface{}) error {
+	return json.Unmarshal(data, object)
+}