Transaction not yet indexed

Pc5z53Hmenw5Nkkt9f7qZa55Rn69b5ckMrM6aEk3Zdb1mso4wqeeTM8ESX3nNa2ifi2NzaLWASvUeSSNVN9Gf21

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