Transaction not yet indexed

21HSKkSKHcmgu3fHMk8faRdaBYdweLzPZ2G3mTMqYjQv7gzmxGo8mYZ3eJeNkB6cDqFeYV19kcZ53m7S8d1uNU6C

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