Transaction not yet indexed

5UbFfvbH9uvLN231Z2TxR1yqHdoZy2RmcYqDMWjy2qbtwM5Xt1NugFVcQphuSxaCFpPxQe2qeUoTuNQTfTtjN8Mx

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