Transaction not yet indexed

666BTCGT8XcMsDLxjKmiFKHGySbRFHVHn4HaW12Uyc2nGThmNL2c5iFtm71qMdx47bpmLbKQMiLxNAbNXu2KfmF4

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