Transaction not yet indexed

3ku6wAhCMpu8Ja7YMqfS4nkmg5WTW6Td2tLJGtDGiqAiVHY1vqXejAXcb2PmhpPuwj2gbfvVjjtti9CkZJTBPnmi

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