Transaction not yet indexed

66Xh4wqKGnmZ7QUyM6h19NJa6uqnEmKdkTTZ8SeMmkrD5JkqW7mtqX2vngztHT2bZ6XiXTZzoDasGF7cro45XgWk

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