body-id-and-preferences.json

{
  "body": {
    "preferences": {
      "version": 0,
      "data": {
        "opt_in": true
      },
      "source": {
        "domain": "cmpC.com",
        "timestamp": 1639643112,
        "signature": "preferences_signature_xyz12345"
      }
    },
    "identifiers": [
      {
        "version": 0,
        "type": "prebid_id",
        "value": "7435313e-caee-4889-8ad7-0acd0114ae3c",
        "source": {
          "domain": "operator0.com",
          "timestamp": 1639643110,
          "signature": "prebid_id_signature_xyz12345"
        }
      }
    ]
  }
}