Transaction not yet indexed

MEMDaBbGksrNT28DYWmdTBpsi8FLMuBh53dpWrxz82Qx6VNfeYS5JkZF1Rr3cqA8Q5XCdyv8kBJ3huaCMbh8PRZ

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