Transaction not yet indexed

21D6Rq4Dvwqpd8ggSSb7vwCUMt8td2dCVkC3EnJmfMGpbfkjyncjD9hM9tFMJM9Z5sm6WcqCypnFULpNbL96pnhz

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