Transaction not yet indexed

53c37fLko4P1tYqhQ8w25pcMAQFwDCkH9AkzHGvfV9RUhAFVSTfiUzy2edixAzmFUxWnwCqWQjqtZ9bWXjVHSJSJ

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.