Transaction not yet indexed

ymmPDnGLbsTJxdgz3K83cPeioeTJ7SRdvHax8xoQQQYecCAMnH1QpkUdc3Tv58531xeR7e7FxzvCU9gV6i4wUD8

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