Transaction not yet indexed

3MdDMZiHYxaJ7u21ZXWDoEdprGf6izdKFuXH2zpW7hW9hSYv1Bt1RR7UUjXiXeEYwEyQ9KaqhUGRGKU2rgBXwJu7

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