Transaction not yet indexed

KK2U3tpToSAQS4S5ay2jcTnATdtvD9yLHC8ZwMYn3BBjbg2iq2PT5u2hVrKySuRACU18jrVM3SAXfv9k6hk6Qaa

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