Describe the bug
When fetching Assets via [GET] /v1beta1/assets or [GET] /v1beta1/assets/{urn}, all the owner information on owners field are empty.

Sample response from [GET] /v1beta1/assets/{urn}

{
 "urn": "some-urn",
 "owners": [
    {
      "id": "",
      "uuid": "",
      "email": ""
    },
    {
      "id": "",
      "uuid": "",
      "email": ""
    }
  ]
}

To Reproduce
Steps to reproduce the behavior:

1. Create an asset with owner(s)
2. Fetch the asset via [GET] /v1beta1/assets/{urn}
3. See owners field with empty owner information

Expected behavior
All owners in owners field should not have empty information.