Transaction not yet indexed

21tfC817gwL2P7M6ELM5ge2ktEs52rtTmwwBcGhPANaAQgtU6pv3V6T7FjtUXyWzbxRTKT4nKxPeFXoZnXELBPv9

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