Transaction not yet indexed

66u2DRTdSgKZ9fd695sduRFYBVA2bxbnq8URToZ5R72dnSKpTz5YKu6gBpc1h8QP6H5qfuXWEi4pYbDXiQPJPHZC

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