Make this Node Javascript Better

.js

router.post('/verify_car', async (req , res , next)=>{

  let car_chases = await  Properties.findOne( {s_number:req.body.car_chases, type:3} );

  if (car_chases){

      let car_chases_stolen = await  Properties.findOne( {s_number:req.body.car_chases , status:2, type:3} )

      if(car_chases_stolen){

          let owner = await  Users.findOne({_id: car_chases_stolen.user_id})

          res.json({
              'success': true ,
              'message': `<b>
                            Laptop : ${car_chases_stolen.name}</br>
                            Original Owner: ${owner.name}  <br>
                            Primary Contact: ${owner.phone} <br>
                            Status : Declared Stolen or Missing.
                         </b>` ,
              'title' : 'Stolen/Missing Car!'
          });

      }else{

          let car_engine = await  Properties.findOne( {e_number:req.body.car_engine, type:3 } );

          if(car_engine){

              let car_engine_stolen = await Properties.findOne({e_number:req.body.car_engine,status:2, type:3})

              if(car_engine_stolen){

                  let owner = await  Users.findOne({_id: car_engine_stolen.user_id});

                  res.json({
                      'success': true ,
                      'message': `<b>
                            Laptop : ${car_engine_stolen.name}</br>
                            Original Owner: ${owner.name}  <br>
                            Primary Contact: ${owner.phone} <br>
                            Status : Declared Stolen or Missing.
                         </b>` ,
                      'title' : 'Stolen/Missing Phone!'
                  });

              }else{

                  let owner = await  Users.findOne({_id: car_engine.user_id});

                  res.json({
                      'success': true ,
                      'message': `<b>
                            Laptop : ${car_engine.name}</br>
                            Original Owner: ${owner.name}  <br>
                            Primary Contact: ${owner.phone} <br>
                            Status : Not Missing/Stolen.
                          </b>` ,
                      'title' : 'Safe to Buy!'

              })

          }



      }else{

              if(car_chases){

                  let owner = await  Users.findOne({_id: car_chases.user_id})

                  res.json({
                      'success': true ,
                      'message': `<b>
                            Laptop : ${car_chases.name}</br>
                            Original Owner: ${owner.name}  <br>
                            Primary Contact: ${owner.phone} <br>
                            Status : Not Declared as Stolen or Missing.
                         </b>` ,
                      'title' : 'Safe To Purchase'
                  });

              }else{

                  res.json({
                      'success': false ,
                      'message': `<b>
                     This Car is not registered on our platform <br> 
                     Please go to www.siv.ng to register this Car. 
                  <b>`,
                      'title' : 'Not Found!'
                  });

              }



          }

      }

  } else {


      let car_engine = await  Properties.findOne( {e_number:req.body.car_engine, type:3 } );

      if(car_engine){

          let car_engine_stolen = await Properties.findOne({e_number:req.body.car_engine,status:2, type:3});

          if(car_engine_stolen){

              let owner = await  Users.findOne({_id: car_engine_stolen.user_id});

              res.json({
                  'success': true ,
                  'message': `<b>
                            Laptop : ${car_engine_stolen.name}</br>
                            Original Owner: ${owner.name}  <br>
                            Primary Contact: ${owner.phone} <br>
                            Status : Declared Stolen or Missing.
                         </b>` ,
                  'title' : 'Stolen/Missing Phone!'
              });

          }else{

              let owner = await  Users.findOne({_id: car_engine.user_id, type:3});

              res.json({
                  'success': true ,
                  'message': `<b>
                            Laptop : ${car_engine.name}</br>
                            Original Owner: ${owner.name}  <br>
                            Primary Contact: ${owner.phone} <br>
                            Status : Not Missing/Stolen.
                          </b>` ,
                  'title' : 'Safe to Buy!'

              })

          }



      }else{

          res.json({
              'success': false ,
              'message': `<b>
                     This Car is not registered on our platform <br> 
                     Please go to www.siv.ng to register this Car. 
                  <b>`,
              'title' : 'Not Found!'
          });

      }

  }

})