curl --request GET \
  --url https://api.smartmove.eu/m2m/api/fleets/v1/{assetProviderCountryCode}/{assetProviderCode}/{vehicleId}/blobs/registration-certificates \
  --header 'Authorization: Bearer <token>'

{
  "b79a613b-d1e4-4f1e-9a1d-61b585d11b51": {
    "frontSide": {
      "uuid": "a1b2c3d4-e5f6-7890-a1b2-c3d4e5f67890",
      "filename": "reg_cert_front.jpg",
      "uploaded": true,
      "secret": "some-secret-string-for-front",
      "itemId": 12345
    },
    "backSide": {
      "uuid": "f0e1d2c3-b4a5-6789-f0e1-d2c3b4a56789",
      "filename": "reg_cert_back.jpg",
      "uploaded": true,
      "secret": "some-secret-string-for-back",
      "itemId": 12346
    }
  },
  "c98d7e6f-a5b4-c3d2-e1f0-a9b8c7d6e5f4": {
    "frontSide": {
      "uuid": "98765432-10ab-cdef-1234-567890abcdef",
      "filename": "old_reg_cert_front.png",
      "uploaded": true,
      "secret": "another-secret-for-old-cert",
      "itemId": 9876
    }
  }
}