Transaction not yet indexed

421pRsuTiFSHDUSpqGs3cmKC6yFHDmrWhzLx7UjQkZNUjap715j6BUH5f2f8mf622uxMUvs7FsoWiCyFKYYXG9Vq

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