Transaction not yet indexed

21kZuSTcA6HwCBikj8usXzvajWFSXfLM9qrZziunbqq32FN6AJqUbdTQJTbf6fdXvQAe4EDxZaBKQwPFd4C2K6X1

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