Transaction not yet indexed

EPkf19foEvaYkph3cYCGvqmDNaKe6AU31PeVof2BVC4cdtWCKDe1jCVMhGAfnXzUbQ8yhE2fMREVCmtpHNy6z5z

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