Transaction not yet indexed

ML2dkmmuGhAcGBwtjmVQKefTwZEzgauJdQ9nDAtyda2rUSoU5VVpPZuoCbcifLoS5xQgS5xA2aZS7dekwc1t5CV

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