Transaction not yet indexed

MXkuDHJK69efeUdvwumYv2CbtYV6S4FtCTQJ3Mtf3KntyqGLABJj7bkWpdbvi3ERHyyFE1DjQZR2uD17odhmCYT

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