Transaction not yet indexed

21W3f4PFtmq6pQPXFHknw54ddR81pPMC9TfNaPB3LMbPUYPVuBf2zfVuD2TERAh4q5Lpwxp7vynzbZVBiSEsx4m9

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