Transaction not yet indexed

RKZtkCbCFjypqkT69LyEErmjzqs8rH2nKGSH2Jm4bTyEzrsWMm18qPUBCbRfjczn8R3JTL6n9eJrTtpsEy8oSMS

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