Transaction not yet indexed

5b28CxpTDtMGC19i7R1YAB5agP3MRYKtdQap4HWMmbiFKEVQ2LgkckSswvjQ19NyuCsPCz6cSm6ZvHPuMRMSGFf5

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