Transaction not yet indexed

666zCD1g2eBkmHwq4meMbAYVq5155434rjcg1AFXuJXm7k4K1xNSdx9F1RubbY4b2XndXUE6bPXDvuPTv1ajBeC6

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