Transaction not yet indexed

u5nv21WACjNK2JAtHdwJSiS4ZhbXroo6tBdd15tPFU4HxL8EbQJjFrSEVWJbmdfSrxfpcAEKFX4CZWuQwUJ1KM2

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