Transaction not yet indexed

M2xtKKzMZECYMqxcftdLk9TTFtJPVqAhP9DWufqExCS8eYo4Kr8A4KFJ1Mv7Bzzf3NQ5aLHbrRbqQcQuPvBAhfZ

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