Transaction not yet indexed

RBrMUmC4sWLPRUWfPyMU1b5SfST5siny5kKkCY55TCdFQy4yTuFDVnBW4Rwrr62xZXSSXQdx3VVjUR6Eqw5vRNS

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