Transaction not yet indexed

21Tb7jcETzB7JvcMTsdJ8JS1eH6bwxu6vdHtv3VMLjSC1fFbQc4KSgibsW9TASr8THRtgPG6yeX6unvzitoebcVg

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