JSFiddle - React, Tailwind, and code Playground

JavaScript

const obj1 = {
  bid              : 1,
  mobile           : 9533703390,
  services : [
      {
       service_id  : 5,
       offer_id    : 10,
       count       : 1
      }
  ]
}

const obj2 = {
  bid              : 1,
  mobile           : 9524703390,
  services : [
      {
       service_id  : 8,
       offer_id    : 12,
       count       : 1
      }
  ]
}

const obj3 = {
  bid              : 1,
  mobile           : 9524703390,
  services : [
      {
       service_id  : 5,
       offer_id    : 12,
       count       : 1
      }
  ]
}

const result = {...obj1 ,...obj2,...obj3 }

console.log(result)