Transaction not yet indexed

421JqwbNLrPw2xntdjou7yGKQHDrWXCGMRHKRdUvyKBcFxndaDgp3VF5rdLXzfubSj6ZwFPNzwBK7cCWe8btWuLt

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