Transaction not yet indexed

Mkg3PPF3vPyHmgaz5CkTUwj9RHGeR4mfvtYWDaYtGPgi1FDQGseM7P2yQT8h2vSKKLsb9gkkcxW2RZ6JaarLxDs

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