Transaction not yet indexed

21F5fvTiZAVbkFBWFGfWAWYQBxoBiF86fPWuHoZeXaDxA8ddGBAjJc5YoASKBTy8DJJwCd6RggQvNFkK4mxkbXE6

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