Transaction not yet indexed

6687HkSVHVr8ZCkVk81ro6urNQi4cBed3PuZQYLVoHPWFHz1mrbk6gHK7mAkK4SWwV7rSie4ixt79ZKXzYkniMkU

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