Transaction not yet indexed

21CSdA7Zt9NDxQgVYWaup2kfsE4KH6imxj2QMvZ6TM5hPj7NqUZHDFVYsPguvsPFwCgruCZbf2eKfYz6qojgPmrT

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