Transaction not yet indexed

21Xko4zgrz71LQzPsXcNZRV8nZmSnTfEGWc2dexHiDqvrTVfthDhHs3VDBRrEf3c2wP8mTuMbKMf9CEbNxwx1HZN

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