Transaction not yet indexed

5666rmdSDt5UKPhs5PQN1197FFQHcwys1N8gRkGRHco2dXYTY6PNi5SAc8EXvuTEZL22UnyQ4wevYLCfWgPrQU7u

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