Transaction not yet indexed

1236Zyf5Uwu4DcbxHHaMNRyufJZ2He2AKdgVVLST8nxCMb1m9ApkkB8rpvZ8q8Fm8oDPrFzcuXCUhimGcEbcwLD7

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