[BE] Persist and retrieve entries based on the user who entered the data

• Type: Technical Task
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: Master
• Component/s: Objects
• Labels: None

As discussed with luiz.jardim , for now, we will not filter the data by the user who entered it (owner). We will list all entries first and then understand the best way to deal with it.