{
   "epochs": [ {
      "calculation_time": "13366436642754197",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367100293523694",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "2F306FCDFCF960CA86AE2804A894A0AEA67C13D729762450D103C3FE3A677568",
   "next_scheduled_calculation_time": "13367705093523904"
}
