Transaction not yet indexed

121YMKYQ77mwbHQPiK511jSP45JBwHthPcFX9f7pAHMLfYVYdQjw6jcjrwLhRD8qLyteNM6q1tmmvx2fCpRaf1u4

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