Transaction not yet indexed

MdC8ZUyVXpE8Xx8W9N1ojfvJrbd3QjAdEBNXePPuSTTeZFm8c1nZZY2s5oASVrDTVMrYNbe7nGGh8BNWNpCB5AL

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