Transaction not yet indexed

21ai2jscDtdfFSX1fzTUTwnNdrqvK4xmeG1zVLWePH2uLsMwKcE7FP3NufG3sQgKg6Et8vvc2WKFKs8fBSbcSYEh

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