Transaction not yet indexed

21BfVgNcWymcBw8zTH8pSocLvaq7NJpCu8FkrMjaM6G6SDzPoWv7mLPTr2FVqdeNcYRs9pmkR5MVK6PfTe8GN168

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