Transaction not yet indexed

66Um4LUNPiWbDgLcD5yKgDC87t6ZLG7J1itDzNy3znPjoVkmiZRQJ7Th622H7htWV9e444rXo3dhW8qYqVgX2hm7

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