Transaction not yet indexed

21cf6KnHCGJc1cfGdneQpdPoBLAKCXbcUWBwyUrm2i3K2DaZsVDTTvgSYTGknqFF5ebACCbVsq2CL17GH7VwtQBx

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