Transaction not yet indexed

21UsjwGa837sDLZ7uFsW9FX8W4BTDVCmrDx2oLtbfHeWRXNmcqvNLEvzqmKXWYeKCNmj36KtQhnbNbdE2aEZDuqY

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