Transaction not yet indexed

21FCkkAWN7LvRNbciMAWXybBgQL9hivs5R89hZPSRHXQUUUrd5aG4e38aM2fwbjXU6JPd9FGxqvggDCs6A2SsgyQ

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