Transaction not yet indexed

mdp4QmdkDqZXK7YYV1Z9GUUAK48k5EVN1t3CZV7vM18EZ9bR2X5QReD5NvgTn9iz7cnpiZnR4kxmGRkJTwuN65Y

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