Transaction not yet indexed

MkP19ZzR2o3s52evfvTCjbfMojxbg9rzd6nMoaQCj8hFNyDtWPqXZ6eGXXrt1sgv1ATEzc3jFukoATV9iZ2tktd

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