Transaction not yet indexed

321CShzf6W1f1caftSrfKPDC552RGVvZ1AMoH2yNFheLmwYEpM16FjEUqjQ3WEdmXzcxYieGAuDvZSBffms2sHH3

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