Transaction not yet indexed

21Tfb6XDrz3YdiTH9LfqFazUamjcqi4mB7dGJd5opajej7gJFnp8wRcdGSPigrkxpSBETh2hGA8mrS9CWs3JGu1F

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