Transaction not yet indexed

UCNGbxuLhFbJDuvc696VoAnvDMCub9RwdFKm1e4SrjJ1YaaoFCA8GzpKWjMhwG4vxMbY5cgQPkvoFmQ2mGsMo33

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