Transaction not yet indexed

RK4W2NCEzmWyAbGkL4wAMFcrZ66ibauPkjBEcExswv2Rw6dRLNspb5Yo2jbLJsQjB5p3kzfJvAPfBXR1LU2GnMc

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