Transaction not yet indexed

5Mbk9yzBSA2v4cEUFjg9cfqiFAW6XkqPyVj4Jo7gRm4rAHFLEHddVo6yjLwShPsvn3FXsCconyACtjZUe5MPZDTM

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