Transaction not yet indexed

5M88hTYYkBCvkb8mq3i91ezCyAdxV9nKfgncbTHoqsXa5FrqxtJ4JeTjbuZZoVuReS7SRySmYDqqYceNNhs5FcT7

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