Transaction not yet indexed

MMxRc4pQwrunmbZ9JgSMnWRoJDooJ3EH8h8om9d5brRh1i4Ph11gMDFkiSgGdZ7gGEMLRwxwhSf3FHo3mmjrKSM

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