Transaction not yet indexed

1236MbvbUo7CrQzTgKPQDq1Lv9JkhqsjZkivbgq1sDQKt5HZnV9x4D2YS1ofjoAE6xXGHNLD4jDGPSA4Uqb7uKdP

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