Transaction not yet indexed

666UP43j8K3AufwzU98FTHmRGaAMcCqJ4A1hGfMM1pmMJzxgdXwo4QkFCsJrkNHFv2nd2TKSuHh4sqL3sTVRoD3p

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