Transaction not yet indexed

21Gkb891xWAWhH33hMWJPMdoeYhtC6exL9Ucpa4c1dgGzLcCXCfXMFCecpwiM8y1HW6b3c2e1sRkUdNovBWBhsqS

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