Transaction not yet indexed

421qXttXSJARcdt9pzZbG6eWMQk2nYRhtFbz2aLp4owm2GCUUXfNEUELqaFt6VaGNXxh8JpDwboe1coHZPb6P78W

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