Transaction not yet indexed

U6r21z2CcXCjvXHbbkH4wPCek6pCwf2Pd6DfgeSCKKPsGqqja5NBKM2xvNKV3Rki4QxfQjRpcdEvvtc18da8PxB

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