Transaction not yet indexed

4AmbGuzyU86L85Hgfbb3XcmuSY5SS7wpc2pzPhTcKWaeQTSoagV3W31zqpF1V7akn97XeDseXfZZTQ2LuSam9KRm

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