Transaction not yet indexed

ESF1UKUndHeShTyCsyE5s91fjQk6WQ3sov7fJZg5aofk51V54gmZXnBJLQGMLUcQXJ8EkGJHxobhpMUKuEjVdkQ

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