Transaction not yet indexed

UdkCsW2ZZFjwiP7B5drm2PYzVfCUz9rUfE29jhQQJhJwf3KkwNFyLxnVQW5fkVXVBzeXhmsBHFUACEtdPnffmqC

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