Transaction not yet indexed

21SUgEPfSqggcwgESuyHrJCUAuhFeATMPqajrS3RFsot3LG59qQFTNpWpqYKWjgs2YFZMR4UQDPfoU4Vq7RfkKJN

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