Transaction not yet indexed

Xr8UnErAGLRqiufQ4bKAJzQXXwjiBjWYMizqi21oAbwfjJu79K4WDMuCWWSpZz9bPVz6ksLT9hxZvEP6cWuSmB6

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