{
   "epochs": [ {
      "calculation_time": "13366381441744992",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367046647748836",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "C3D0376D1049B6AD71CDDF4D1F2D7B25FB97B548506C3BAA87C60779838B1BE2",
   "next_scheduled_calculation_time": "13367651447750708"
}
