Transaction not yet indexed

21APPwcsZytpz7t1WMw3UeLr6JQ7MHHH9vSdAR8oMAFECdjUpJJUq6LWQ91bKbfxBACMho7x4UWYUkuPMFZmrN69

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