Transaction not yet indexed

21LtbMp3fx7PXG5ytx8mK8AqKY4aSU4ebYpsLJYaGX6mA4zMvqebFMWEWcVpWLXcd76PzYxx4E9SuuvNHaEMkf6t

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