Transaction not yet indexed

5CUEB21QHckkMqohrdGn5UziE5BGGsLHgpB4k6EM8qsu68oYnGuNiEqvi74krpMhwdU5W1u5wtDBdA1nfAkwZk7

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