Transaction not yet indexed

PKUppgNjaDaSAkp6AAZvqoR5ZHyJhe3GArRRqgxpW3cxnarTCY839xwifBf9QxVi3q2ji5g4JaSHPZVQDiQxymA

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