Transaction not yet indexed

21rb3PkMMby9RWdZQCfE7cDQ7SBzC9UYYKB7dcG5kYMdQ1WQCbfZYG8xnee7xaCPF7FYABsLXSW3hQNE1sHdg9K4

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