Transaction not yet indexed

21Ch6RHzrAPsxw9YB23LeoT8tzvutYMHMWeCLxGdzXFTKvUjL192wqgtpyAn3E9KjuxUeDu7exygmkNWpGyJK9NE

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