Transaction not yet indexed

21ykhsrBZGr6peh1eeFBfuJsmc3oFBribxxvAskaBEp8gEvgCUtyboSXQqWTMzKwoCMrqHgfCGsqU4otw6ZHW8QE

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