Transaction not yet indexed

642xMQdRPv2bXjvtU5rCTmbqFgc1HeikDuyiGvgQCTr5VwW9EXuxEcByi1ki4Mu2FgVa2ho7RmLzMyh9a9ia6qdZ

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