Transaction not yet indexed

668L6YNSaRe9CUMzbbHQnzESAmpYZFN8xmLxqKGMgZWUvToeHHsPM9ftWx6QpgRaSMNtP9uG9pfhJh2v6dXaiGF9

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