Transaction not yet indexed

HPKkY9UUeNQpambdJpVLNF5ByqKE7FSn9VkucSqCDJj8nkH3dVCWbcZWruvBTGdmAcRovWj5ghfiqrhXAJrPohY

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