Transaction not yet indexed

4391vuMQMFEDAC2iiYNj4vEVG44tLY3d45gMG2HN9CE3DRQWxiveBQxTsoHqtnqaYaJCh4ZWcFteVkMTTYVPUyB6

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