Transaction not yet indexed

1ComS8ZxNYSnoYCdYJEJCMXbDkYPibfdUr8YgRx8M9UrJ1AjEHPbDuP9FuAjwseUY29ZwaPuEBRKFbbLVs5F1kM

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