Transaction not yet indexed

5Mdc6oqFHdhBzCVbHBp5TcgWuFLEMykJqhFoaWyiwoUrtBci86z6c8dhSbEeS6omyjSxLntDHJCxzepPJYANeZMG

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