Transaction not yet indexed

21HymmmuaXvgCDfMdwsAH5rKZkdmmCCwH55UQTYMbdvrBbyfH2HRLSVQdaLED55qPX2sZRHLyyarQfYGMMskNuxH

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