Transaction not yet indexed

Ex8ikHMYeWJ3C5mepChy2QHnATHkA6KXgxmobJeXgQMSjrcASEw4HvfEVnsr5dY6oBeUXfyPFRUjgZXPPSB4Jwx

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