{
   "epochs": [ {
      "calculation_time": "13370529925721003",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379350316806156",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "278092825E0C2D68F754DBC99CFD1C45720BC46E3FD02A053479E23425C8FC45",
   "next_scheduled_calculation_time": "13379955116806271"
}
