Transaction not yet indexed

UpCXk8dSrjJMHMBb6YjE1wNGaBL2fo1KNMMXfzumaLdnFbbjH2kAsSUcLyUnC6eS8BVY6djhsfZPQhwxJ1MUXt4

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