Transaction not yet indexed

21tfa87pAA1Q7whw4KCDsQK5r5bVACdANdaAqkKxyKpGmz8iCDXDZBD6ETSpz4XN5RR6bfHMX2jEN5CSxHHffUnx

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