Transaction not yet indexed

5C99a2paRfq3PLqksSXStaDTwFN4C3vs25Giyh6A4S7b77YAKMs4jpih16EB8scVbTKZ5Vhvoay3Fe1HdB2i7ca6

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