Escape is not being interpreted in scenarios when importing feature files via REST API

Escape is not being interpreted in scenarios when importing feature files via REST API.

Scenario Example:

Given A 
| Rank | Name | Number | 
 | 1 | thisis\|a pipe | 100 |

Gives this error: customfield_10102: inconsistentcellcountwithinthetable

But when changing in the steps editor is possible, so when importing the behaviour should be the same. 

Workaround: import without the character escaped and manually add it via UI.