JSFiddle - React, Tailwind, and code Playground

JavaScript

const data = [  
  [  
    {  
      "id":"65",
      "name":"Some object name",
      "value":90
    },
    {  
      "id":"89",
      "name":"Second Item",
      "value":20
    }
  ],
  [  
    {  
      "id":"89",
      "name":"Second Item",
      "value":20
    },
    {  
      "id":"65",
      "name":"Some object name",
      "value":90
    }
  ],
  [  
    {  
      "id":"14",
      "name":"Third one",
      "value":10
    }
  ]
]

const unique = data.reduce(function(result, obj) {
	return Object.assign(result, obj)
}, [])

console.log(unique)