Transaction not yet indexed

66Fi8BKpTkvL23JtDAuSqr7zFVZchFmPZPyGn7duYqcqhtH2Q8wdWxFkS78ptXYHfxQPbbtKHkYtb5X5vHKNGRvx

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