Transaction not yet indexed

ST6ZgfTr6dL5KQLfg73SPTj4iVZG2u2t3AUsDLAwpGswPXh8vtk7i3tkQ6Lgctfm8rkUsKZFN7NsWqUfaHw6s88

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