Transaction not yet indexed

21CBHdfefUXkMkUqZmFp8mTpuateCobU16F6nQu1Z7sJGwQLVXK8dPNfAaYE4Zh6QLFbkHA8f1XzrLS7HDtD7Xw1

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