Transaction not yet indexed

66ET87vS5TMzYuntyPzCBobtHPL4UKzNafTQTuCbCZ2ZuZLMXF1hdC16Q4ZvighUR7ZMbXWePmBkzBAVQ1YCkN8r

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