Transaction not yet indexed

RB6UL9Uak6pnqKryyTu8EEPsqFsFjNaYotgrNegJ4L1bdrtpzzaVd2k8CaPeKL4xcH2tnUUAgeAhisvsP5QEEfW

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