Transaction not yet indexed

MymMtB9wSPzhNVtuePBnMoHNoSN8yaLAf2o2GiPc6fB2i44SRgqCjMiraxjarHEiRwdtRXwTJ2otTFw3tqjiEeE

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