Transaction not yet indexed

5Ko21qHSsFmCm6naVkGbBhRc93tnaarPiF8UT2wC7SVcFBLfjFGirZC9qgzytKcPHxrFXNETxcpCvQ7SeBp3NVL2

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