Transaction not yet indexed

1MYkwVmWZmiTB3wmpJFSrYdiFqr7UfepLA4nzKdYWth1QAd2TAo7S6yUBPmfSm21ip3UhXP8N7dw7NuY1m8oWi8

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