Error in Uploading Image using REST API in Magento 2

I am getting below error while hit REST API from postman:

“message”: “The product can’t be saved.”,

I have used below details for API:

URL: magento.localhost/rest/V1/products/p1/media

HEADERS :

Content-Type:application/json

Authorization:Bearer 1si2ch4k8to78ytx14is8gcgfs4p3glk

BODY

{      "entry":{         "id":153,       "media_type":"image",       "label":"test",       "position":0,       "disabled":true,       "types":[            "image"       ],       "file":"test.png",       "content":{            "base64_encoded_data":"base64_encoded_data",          "type":"image/png",          "name":"new image"       }    } } 

Can anyone please help me in this? I tried lot of thing but nothing is working.