Transaction not yet indexed

3ddQ53B3iDYCAnTET9apME5hvtEPtVz1At74x2Gmr3i7TUsUHTBu5sQPeSSwjCpcFoZbSVqZ4i4GNUSBtPQGUZ18

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