Transaction not yet indexed

MECBhgZ1sZyZJj3ArX3Fq4HjaEjyiSyjFGudpSPMMwmeqzVopozLuTvYWkqhBSbSM8irAichhArsFSaBocUe9Tk

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