Transaction not yet indexed

MEK8ZMduxnDucWTp8a6dFTZTWFrsz2i3Uj3RT7HHREQcjyJCzB4UJnyBYbrr5BBwNBx5PLRpaLAuna2HD78CcF9

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