Transaction not yet indexed

21k6WPWqoZZ5id599ZiqbT8mHij8FQayxCWDWZEuEZkfpB8nXfvT5Kmu16LusdVjgTmt5Yj9LZBWxZFGMgYbiUjN

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